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Keep it fresh all night, keep it fresh all day. 1. Prevent brown sugar clumps by tossing a marshmallow or two in the container. James Ransom / Food52 You'll never have to toss a hardened rock of brown sugar again, and you won't have to spend money on a special brown-sugar-keeper disc. 2. Get rid of any mold spores lurking on your berries or greens by rinsing them well in vinegar water before putting them in your fridge. dish.allrecipes.com This actually works — it's something I do when I know it will be a while before I'll get to eat all my fruit. 3. After you're done washing your produce, put it in a plastic bag or glass container with a folded-over paper towel inside. aggieskitchen.com The towel will soak up any extra water or condensation that may occur after washing, and help keep the veggies fresh. 4. Wrap onions individually in (clean, unworn) pantyhose, then store them in a cool, dry place. onehundreddollarsamonth.com To get an onion when you need one, you simply nip open the knot at the bottom of the hose and slip the onion out. They can keep for months at a time this way! 5. Cut half an inch off the bottom of your asparagus, then store it in water in the fridge. Also, cover the tops with plastic (the plastic produce bag from the grocery store works). 6. Make a batch of smoothies, then freeze them in mason jars so they last at least three weeks. buzzfeed.com Yeah I know it sounds weird, and no, the mason jar glass doesn't shatter as long as you only fill it up to the freezer fill line (which most glass jars will have near the top). 7. If after cooking you have way too many extra green onions, chop them up and freeze them in an empty water bottle (plastic OR glass). happymoneysaver.com Then they're quick to pull out whenever you need to add some to a stew. 8. Flip your all-natural nut butter upside down to keep them from separating. thekitchn.com Keep the lids screwed on tight, and don't try and do this with a lid that doesn't screw onto the jar. 9. Freeze tablespoons of tomato paste so you never waste the second half of a can of tomato paste again. dontwastethecrumbs.com 10. Then freeze any extra fresh herbs in olive oil, so they're easy to drop into stews, pasta, and scrambled eggs. justataste.com 11. When you're not using it, store your butter in the back of your fridge, not in the butter spot in the front door of your fridge. Greenazya / Getty Images You want your butter to stay cool and dark, and this is the coolest, darkest place. 12. Separate your bananas and wrap each stem in a small amount of plastic wrap to help them last longer. somewhatsimple.com It can really work! 13. Whether you used half a carton of chicken broth for dinner or got fancy and made your own, store the leftovers by freezing them. nomnompaleo.com Basically, the freezer is the gold standard for making food last. 14. Make extra soup, then ladle it into red Solo cups to freeze. Grab one or two cups' worth to defrost anytime you need a quick dinner. agingermess.com Um, brilliant. 15. Store a cut loaf of bread in a paper bag, cut-side down. James Ransom / Food52 This is the best way to store it so that the crust doesn't get soft, although it will also stale faster than it would if you kept it in a plastic bag. 16. Pour your paper bag of flour into an airtight glass jar. containerstore.com It'll help keep the bugs out. I personally use these jars. 17. Stash leftover pizza slices in a plastic bag to keep them from drying out in the fridge. thekitchn.com Then when you decide to reheat them (which, PS, you should do on the stove), it will be almost as tasty as it was fresh. 18. Store your milk in the coldest part of the fridge — the back of the middle shelf. polishedhabitat.com Storing it in the door may be convenient, but the most temperature fluctuation occurs in the refrigerator door. So to help your milk be its best and freshest self, you have to keep it out of the door. 19. Make a double portion of cookie dough to use the next time guests come over, divide the layers with wax paper, then freeze them. tastesoflizzyt.com 20. Do the same thing with a sliced chocolate cake for the evenings. buzzfeed.com Credits: buzzfeed.com What tricks of the trade do you have?