Don’t store onions with potatoes.
Onions and potatoes go well together in many recipes, but they aren’t friends in food storage. Because of the gases each produces as they sit, they cause the other to rot much faster. Store them separately, in wire baskets that allow good air circulation. Potatoes also do better in a dark space.
To help you not make any food storage mistakes, check out our post featuring 8 hacks to keep food fresher for longer.