Keep these foods intact
Many fruits and vegetables last longer when left intact. Bananas are a great example, so keep them in their bundle, only removing the ones you want to eat immediately. If you want to eat romaine lettuce, try to make your way through a whole head rather than ripping off pieces because the broken leaves will wilt when exposed to oxygen. In general, produce starts to rot rapidly once cut into in any way, which is another reason (besides saving money) to buy whole pineapples, watermelon, mango – you name it – instead of the pre-cut stuff. Though not a popular way to buy these, Brussels sprouts last longer on their stalk than they do after being plucked off.