How to Store Potatoes to prevent premature spoilage . Hack 1 always store your potatoes and a cold dry and dark environment. . Hack 2 your potatoes in a bowl or a basket. When you store your potatoes in a plastic bag, it can capture moisture, resulting and potatoes that sprout faster or spoil. . Hack 3 this hack really surprised me. Never store your potatoes with your onions. The onions release a gas that can cause the potatoes to spoil faster. #potato #cookinghacks #tipsandtricks #kitchenhacks #kitchen