Refrigerators have been keeping foods cool in our homes since 1913, but not everything stays fresher in the fridge. Are you making these food storage slip-ups? Follow these and you'll be able to keep your food fresher longer—plus, it won't waste unnecessary fridge space! 23. Pastries Wait, do you really have leftover pastries? If you're saving them for later, your best bet is keeping them in a paper bag at room temperature. 24.