Shocking foods you should never refrigerate! Tomatoes lose flavor and texture, bananas turn black and mushy, garlic sprouts and molds faster, onions become soft and smelly, bread dries out and gets stale quicker, potatoes turn sweet and grainy, peaches lose their juicy flavor, honey crystallizes and hardens, coffee absorbs odors and loses aroma, chocolate develops a white coating, avocados ripen unevenly, pineapples can ferment and spoil, watermelons lose nutrients, nuts lose crunch and flavor,