Eco-Inspirations: Homemade Peanut Butter

Peanut butter is a grad student’s best friend. Raise your hand if you’ve got a big ol’ jar of it at your desk. Raise the other if you’ve ever eaten it straight out of the jar with a spoon (or your hand, Winnie the Pooh style, we don’t judge). It’s there when we’re stressed. It’s there when we need a bit of extra fuel. It’s especially there when we’ve got an apple that needs a nice glob of PB on every bite. Peanut butter definitely deserves a shout out in my thesis acknowledgements.

Peanut butter as it’s meant to be is quite healthy (low cabs, high healthy fats, etc). It can become problematic when companies add sugar, excessive sodium, full or partially hydrogenated oils, or even non-hydrogenated oils like palm oil. It’s also often packaged in plastic. As part of my efforts to live a healthier lifestyle for me and our planet, I started searching for products that had limited ingredients and came packaged in glass. You may have guessed these were a bit more expensive! The game changer for my husband and I came with the purchase of a new, mondo-powerful blender! We’d tried making our own peanut butter before and nearly destroyed our hand-me-down blender.

But now there’s no holding us back. Our homemade peanut butter is way more delicious than store-bought. We find the ingredients in bulk and in glass so there’s no plastic waste. If you’d like to try and make your own you can follow the general recipe below. Get creative! Let us know how it goes!

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Eco-Life Hacks: Homemade Greek Yogurt

OK, you probably should be a little weary of
someone who eats as many beets as I do. Fair ’nuff.

Nearly two months into my life in State College and I’ve got a sneaking suspicion that I am already branded as the hippie chick. What do you expect from a biologist turned statistician?! I can’t help it though; if people bring up podcasts and DIY kitchen adventures, I’m going to be all up in that conversation. If you join me for dinner you’ll notice that my kitchen is fully set up while my dining table is a moving box. Priorities. If my apartment building doesn’t have a compost bin but there is one outside of my multivariable calculus course, then I am going to carry my compost to campus in a airtight container and dispose of it responsibly. If you invite me to watch the US/Ghana game, I’m definitely going to bring a healthy snack of veggies and hummus. And if you mention homemade yogurt, then I will get super excited and discuss my love for plain, Greek yogurt made by yours truly. Them’s just the facts.

Does anyone else remember inspecting their yogurt container from their lunch box and wondering what ‘live cultures’ meant? I think I was in denial for a while. This may have lead to my love/hate relationship with yogurt, until I finally fell for plain Greek yogurt. I just couldn’t stand the fruit booger filled yogurts (editor’s note: I second this opinion in my non-dairy based yogurt consumption!). But now, between my partner and I, we eat a lot of yogurt. Yogurt in smoothies. Yogurt with fruit. Yogurt with granola. Yogurt with protein powder. Yogurt with honey from my favorite farmer, buddy boy Matt Ak’s hive! *goes to eat a bowl of yogurt!* If you are on our level of yogurt consumption, you should consider making your own at home. It’s way easier than you’d think, and you’re rewarded with delicious yogurt containing no surprise ingredients. You should anticipate making yogurt fairly often (more than once per week if your schedule allows it) and buy milk accordingly. Did I mention it’s easier than you think?! 

I can’t recommend CSAs enough. Look at all
the veggies I get in addition to a dairy
 share (milk, eggs, cheeses, etc).



To make yogurt you’ll just need: milk, thermometer, source yogurt, pot, cheese cloth, and (reused!) container(s). To add to our super sustainable lifestyle, we use local, whole, unpasteurized milk in returnable bottles. In Louisville, Kentucky, I’d found this type of milk at Earth Fare and a local food shop. Here, we have a dairy share with our CSA box and get a gallon of raw milk every so often, but it’s also available at the local farmer’s markets. Check around your area to see if local is an option. Sale of raw milk is totally legal in PA, but make sure and check your local laws about dairy sales. If you have a thermometer with an alarm you’ll be so very happy. We don’t, and every so often we don’t catch our creation before it passes the threshold temperature. If you let the milk boil, then usually your yogurt won’t turn out well. Cheesecloth is a solid investment for anyone who likes to DIY in the kitchen. Please don’t use it once and then throw it out. We’ve used the same cloth every time we’ve made yogurt and just given it a good cleaning after each use. Easy, healthy, delicious.

But what exactly is going on once you add the source yogurt in those 12 hours of sitting? Oh, no big deal, just the milk is being fermented via prokaryotic microorganisms which produce lactic acid causing milk proteins to solidify. Whaaaaaat? Not only that, but the bacteria in the yogurt is good bacteria, or probiotics, that help your tummy zoo keep away bad bacteria. Well…that sounds handy. The bacteria grow to a high enough concentration in the yogurt that they can even get past stomach acid. Safety in numbers! It’s great to replenish your internal micro-organismal environment, as it can be easily disturbed. Factors such as stress, sickness, antibacterial medicine, parasites, and daily excretions. Yogurt to the rescue!

Freshly made this week! I’m enjoying it with
some honey and blueberry granola!

Follow this easy recipe for your own plain, Greek yogurt! You’ll know exactly what ingredients go in and save money in the process. My recipe is based on a hodgepodge of different online recipes with some extra notes added. If you want regular yogurt, just skip the straining steps!

Ingredients:
1 Qt. Milk
5 oz. Source Yogurt

Tools:
Pot
Stove
Thermometer
Stirring apparatus
Cheese Cloth
Straining Setup

Recipe:

  1. Heat all milk save for a few ounces in large pot to 180˚. I keep the stove on a low setting so that it heats slowly and you don’t miss when it boils. On my stove this takes about 10-15 minutes, but it’ll vary. Set a timer the first time you make yogurt, then you’ll know for future endeavors!
  2. When milk reaches 180˚, remove from heat and keep an eye on it as it cools. Meanwhile, mix the source yogurt and the milk you didn’t heat together.
  3. When the milk reaches 115˚, add the yogurt mixture. Mix thoroughly. Some recipes say not to disturb the film on top, but I’ve never had any issue with it. The milk usually takes at least 30 minutes to cool, but keep a close eye!
  4. Turn on your oven to the lowest setting and let it warm up a bit. Place milk mixture into the oven. If necessary, pour into oven safe glass bowl. Turn the oven back off – it should stay warm. Place towel over top and let it be for 10-12 hours.
  5. The mixture should be thicker in texture after this time. Line a colander (strainer) with cheesecloth and pour the mixture in. Allow liquid to drain, squeezing if need be. 

Greek Yogurt achievement unlocked! Enjoy with your favorite toppings or on its own!

Resources:

http://science.howstuffworks.com/innovation/edible-innovations/yogurt2.htm  
http://www.scientificamerican.com/article/bring-science-home-yogurt-bacteria/
http://aboutyogurt.com/index.asp?bid=28#Q3
http://biology.clc.uc.edu/fankhauser/cheese/yogurt_making/yogurt2000.htm
http://www.health24.com/Diet-and-nutrition/Vitamins-minerals-and-supplements/Good-bacteria-vs-bad-bacteria-20120721
http://nourishedkitchen.com/troubleshooting-homemade-yogurt-questions/

5 Weird Things I Do: When I’m Shopping

Weekly Farmer’s Market haul!

My typical Friday afternoon goes a little something like this:

  • 4pm- Begin simultaneous watching the clock and repeating the mantra “Be productive, stupid.”  (Note:  graduate school not always the best for increasing self-love.)
  • 4:30pm- Start to feel like I’m really hungry and, I mean, it’s almost time to go anyway.  Desperately try to make final progress on whatever task I have been attempting.
  • 4:45 pm- Give up.  Start filling in my OCD meal planning spreadsheet and making my shopping list.

So, just based on this 45 minute snap-shot, I’m going to take a wild guess and say that my approach to picking the groceries I purchase might be a little different than your own.  Meal planning spreadsheet you say?  List you say?  It may sound weird, some might say it’s unnecessary, but these are a part of my household’s weekly shopping ritual.  What’s more, I’m confident that these things, plus others I will discuss, help me to save money and cut back on the waste I produce.  So I felt compelled to share, and another instillation of “5 Weird Things” was born.  


As always, I would encourage you to not be overwhelmed by the thought of totally upending your shopping mojo.  I didn’t wake up one morning and decides that I was going to do all these things at once.  Like most life choices, these have come to me through a gradual evolution in my thoughts and actions based on lots of research and some provoking conversations.  Maybe pick the one that interests you the most or that you think might make the most difference and give it a try!  Then come back next month and pick up another one!  That said, here we go.      


1.  Make a plan (meal plan, check the pantry, make a list!)

Let me set the scene for you.  It’s Saturday morning.  Myself and my fella’ have just gotten up and and moving around our apartment.  Hopefully, on Friday evening we’ve looked online and through our cookbooks and picked out the meals we wanted to make during the week to come.  In the less hopefully, and probably more typical scenario, I’m doing that on Saturday morning sitting in my bed.  There is always the temptation to just wing it and head out into town.  However, my mother’s voice in my head saying “a stitch in time saves nine” generally drowns out this alluring option, and I make sure to finish getting my plan together.  You see, as far as I can tell, making a solid plan helps me to save money, waste less food during the week, and avoid eating out, which is usually way less nutritious than cooking your own dinners.  I don’t want to get ahead of myself, so I’ll break down my process, then I’ll make my pitch.

So, what does this planning process entail exactly?  It all starts with a spreadsheet.  Like any good scientist (or anyone with a mild obsessive streak, guilty), I love a nicely organized Excel sheet.  I catalog our meal choices into the spreadsheet which includes spaces for breakfast, lunch, dinner, and three snacks.  I then look at the recipes we’ve chosen and list all the supplies right in the same tab.  Thus, I’m basically making my shopping list as I’m meal planning.  When you’re filling out your meal plan, it’s important to think of it as more of a road map and less of a contract.  If your friend stops by on Monday who doesn’t care for couscous (weirdo), then you can switch your Monday and Thursday meals.  Probably the hardest mental block to get around in this respect is planning your snacking.  My rule is to buy enough fruit each week to eat as one of my snacks, then get two or three other things that we can eat throughout the week.  It doesn’t matter really which days I end up eating those snacks, but writing it down helps me to visualize how much of each thing I will need to buy.  Plus, if you love snacks like I do, having things on hand is the only way to keep yourself from purchasing stuff from the gas station and vending machine.  

My meal planning spreadsheet.  I loves it.


Now that you know what you will be making and snacking on, and you have a list of all the ingredients you’ll need to make it happen, you need to take your computer into the kitchen and check your pantry.  This will help you avoid buying double of anything you already own.  Obviously, there are some things you will just know, but I can never seem to remember if I have chickpeas or not, and my hummus-making ambitions have been thwarted on several occasions when I didn’t take the time to double check.  Now, you can transfer your shopping list to something more portable than your laptop.  I usually type mine into my phone or jot it down on a piece of scrap paper from our scrap paper bin.  

Okay, so here is the promised pitch.  My process described above might seem like a lot of unnecessary effort to some.  And for some people, perhaps that is the case.  But for myself, planning my meals in this fashion has helped me in numerous ways.  First, it’s really aided my efforts to waste less food.  When I go to town with a plan made and a list in hand, I know what I’m going to actually need for the week.  This really encourages me to avoid impulse purchases, especially impulse purchases of perishable items, because I know I won’t have time (or tummy space) to eat them.  Also, making this meal plan and checking back with it during the weeks has given me a really thorough insight into how much food we can reasonable consume.  I remember when I first started meal planning, I would pick out so many recipes that I was excited about, but I would end up with far too much food!  For our little household of two individuals, we generally cook 3-4 dinners a week at home.  For the other 3-4 evenings out of the week we work through our leftovers.  We like to snack on things like fresh fruit, pretzels and homemade hummus, veggie and dip, peanut butter and apples, and the occasional granola bar.  I also generally purchase enough produce to make salad for both of us for the week for lunch.  For breakfast, we like oatmeal, smoothies, fruit, and toast.  Wasting food is obviously a no-no on lots of levels, not the least of which is the impact food production has on the environment.  But, hey, when you throw food out, you basically throw out money.  Who wants to do that?  

I think this quotation from a study performed by Parfitt and colleagues in 2010 sums it up pretty well.  The U.S. stats are equally embarrassing  but I chose the U.K. statistics as they were quantified in carbon emissions (Note: Mt stands for metric tons).   

“More recently, the Waste and Resources Action Programme 
(WRAP) has shown that household food waste has reached unprecedented levels in UK homes (WRAP 20082009a,b), with 8.3 Mt of food and drink wasted each year (with a retail value of £12.2 billion, 2008 prices) and a carbon impact exceeding 20 Mt of CO2 equivalent emissions. The amount of food wasted per year in UK households is 25 per cent of that purchased (by weight).”


2.  Reusable Bags, reusable containers, reusable foreva’

Bulk bags and a selection of reusable containers.

Once I have my list in hand, I get all my shopping accessories together.  For me, that includes a team of reusable grocery bags, a bunch of reusable containers and bulk bags (we’ll get to the use of these below), and my reusable coffee mug (it’s my weekly treat to get a coffee from our Co-op).  I’m a pretty firm believer that reduce and reuse are way more important “R’s” than recycle.  I’ve talked about this view in length here.  Thus, for anyone who is trying to reduce their impact on the planet, I’d say reusable shopping bags are a no-brainier.  The next logical step is to start bringing your own containers for foods you purchase in the store such as meats from the deli (if that’s your situation), pre-made foods like salads, and the increasing number of bulk foods popping up in co-ops and large chain stores across the country.  Depending on the store you go to, there might be some health concerns with using your own container for things purchased from the deli, but I’d be willing to wager that if you spoke with a manager you could figure out some solution that would work for everyone.  

Reusable shopping bags.  Way more fun.


Here are a few reusable shopping tips I’ve developed over the years.  First, buy one of these amazing ChicoBags or something similar.  Put it in your car or your handbag/manbag.  This is great for when you are just running to the store during the week and forget your normal fleet of reusable bags, or when you get a little excited at the store on the weekend and end up needing an extra shopping bag.  Second, even if you have no bulk section and your deli is not allowing you to use your own container  you can easily cut down your waste in the produce section by choosing products that aren’t wrapped in plastic and then bagging them with reused plastic/paper bags from home.  I have a small collection of bags I used to put my store bought produce in before my mother made me a set of awesome bulk bags for Christmas.  

Okay, now that we have all that stuff together, we can actually leave the house and go shopping!
    
3.  Shop the Farmer’s Market

FarMar Veg

Oh, the joys of the Farmer’s Market on Saturday morning.  This is one of the highlights of my week.  We always arrive hungry and grab brunch at one of the food carts that is parked on the lot with all the farmer’s booths.  After we are full (hunger is dangerous at the FarMar!), we take a stroll all the way down the isle of vendors, checking out the produce, referring to our list, and trying to find the best combination of quality and price for the items we want.  The benefits of shopping at the Farmer’s Market are numerous, and you have likely heard many of them before…but I’ll repeat them anyway.

Beautiful summer produce!


Probably the biggest impact of shopping at the Farmer’s Market is the minimal amount of miles your food have to travel to end up on your plate.  Webber and Matthews (2008) found that “…for the average American household, “buying local” could achieve, at maximum, around a 4-5% reduction in GHG [green house gas]…”  There are several things to consider about these findings.  First, the paper never formally defines what “local” means, but the widely accepted definition is that local products are produced within 100 miles of where the consumer purchases them.  Additionally, that figure is for a fully localized diet, which can be very difficult to achieve, even for the very devoted!  Another interesting finding of this study is that not all food groups are created equally.  According to their work, you could reduce your GHG impacts to equal that of a totally localized diet by shifting away from eating red meat one day a week, wow*.  However, if you are only concerned with the farm-to-table travel impacts of your food (less holistic) focusing on local fruits and vegetables whenever possible will provide you with the biggest bang for your buck, as these foods generally make the longest trek from the producer to your plate.  There are several other terms in the model which are clearly estimates and averages, and I highly recommend you check out this study, or any of the related literature on food miles if you are interested.  The take-home here is that buying local, especially fruits and vegetables, does matter, but what we choose to eat can matter more (probably more on this in a later post).  Remember, your personal impact might not be monumental when you change a single habit, but over time and in conjunction with other lifestyle changes, you can make a difference!  Buying local has lots of other fringe benefits aside from reducing food miles, such as keeping money in your local community and getting to know the people who provide you with your food!

Lavender!

Another great benefit of the Farmer’s Market is the lack of lots of unnecessary plastic packaging.  Now, don’t get me wrong, the vendors at the FarMar will always be ready to give you a plastic bag to put your produce in, but you don’t have to take it!  I know when I first started trying to avoid plastic, I felt a lot more comfortable politely refusing the nice person at the market and putting my produce straight in my reusable bag than I did carrying my peaches all willy-nilly up to the checkout counter at the store.  I’m over that now by the way, and if I forget my reusable bag, I just bring a bunch of loose apples to the checker.  It’s never seemed to cause anyone any problems!

Last, if you want to buy organic at the Farmer’s Market, you totally can!  However, if you are only interested in pesticide free produce or you want to support a farm that is only just transitioning to organic and doesn’t have a certification yet, you can!  The point is, if you have a question about your goods, you can ask the farmer!  I can’t quite put into words the nice feeling of matching a name with your asparagus, but it’s a real thing.

4.  Buy in bulk when you can, and ask for more bulk options

Jars for bulk foods!


This one isn’t an option for everyone, and I realize that.  I’m supremely fortunate to live in an area where even the Safeway has some foods in bulk.  This is a movement that is spreading however.  When I was last home, I went to the store with my mother and saw many types of beans in bulk bins in her local chain grocery store.  And if you are thinking, “There is a Whole Foods near me, but their bulk food will be too expensive!” you might be incorrect.  Do a price comparison between what you usually buy and what you could buy in bulk at a health foods store.  You might find the price difference is negligible, or the bulk foods might even been cheaper!  Just beware the interior isles of places like Whole Foods.  When you start buying pre-packaged foods from those stores, then you can end up saying “oops, there went 80 bucks!”  Okay, what if you don’t live near any bulk food options?  I would encourage you to ask for them!  Speak to a manager, or write on a comment card.  As I said, this option is spreading.  Request it and support it.

Why buy bulk?  You only have to buy the amount you need, which can lead to less waste of food in the end.  And the obvious:  less plastic, fantastic.

5.  Shop once a week 

This item is last on the list, but I think it’s still important.  Shopping once a week (or less) does a lot of really good things for you.  Initially, it makes all the tips mentioned above that much easier!  You only have to plan and remember your reusables once a week, and then you can coordinate that with your trip to the Farmer’s Market and the store!  Less travel also means you save gas.  Running back and forth to the store multiple times per week can add up quicker than you might think.  If you get all your major shopping done in one go, when you need this or that from the store, you can usually pick it up with your bike or just go to the store that is most accessible on your commute without worrying about price as much!  Next, shopping once a week means you are prepared for the week to come.  You know what you have in your pantry and fridge and, thus, you’ll have some idea of what you want to make for your meals.  Even this small step, being stocked up by the time the week starts, can save you from the ever tempting trap of delivery/take-out/fast food, which we all know is less good for us, less good for the planet, and just generally less tasty than food we make ourselves!  Plus, I find when I have all my supplies right off the bat, I can pre-prepare some foods to streamline my work week.  For example, on Sunday (okay, usually Monday morning) I cut up and prepare salad and salad dressing for the entire week.  That way, on most weekday mornings, I just have to assemble the veggies and head out the door!  Last, making shopping an event makes it fun.  In our house, we look forward to Saturdays.  We know we get a Farmer’s Market treat, and it’s an uninterrupted time together to to plan something we are both invested in.

Last Word:  I strongly believe considering our food choices is a cornerstone in attempting to live a more Earth-friendly lifestyle.  We all have to eat right?  This post was all about the little tweeks we can me in getting that food in order to avoid food waste, stay away from too much packaging, and begin considering the foods we actually choose!  I hope you learned something new, or were inspired with a new idea.

I was obsessed with these pepper wreathes this fall
at the FarMar.

What do you think?  Do you do any strange things when shopping because you feel they reduce your impact on the planet?  Any suggestions for me to try out/research?  I’d love to hear what you have to say.

Sources: 

  • Parfitt J, M. Barthel, and S. Macnaughton.  2010.  Food waste within food supply chains:  quantification and   potential for change to 2050.  Philosophical Transactions of the Royal Society 365: 3065-3081.
  • Webber C.L., and H.S. Matthews.  2008.  Food-miles and the relative carbon impacts of food choices in the United States.  Environmental Science and Technology 42:  3508-3513.