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However, many people make a crucial mistake during storage that causes the tubers to rot or sprout more quickly. An inconspicuous vegetable, the onion, plays a surprising role in this.
Many people store potatoes and onions together, as they are often used in the same dishes. But that’s exactly what’s problematic. Storage expert Anthony from Poga Box warns against storing these two vegetables next to each other.
Both release moisture and produce ethylene, a gas that accelerates the ripening process. The result? Potatoes spoil more quickly, become mushy, or start to sprout.
How to keep potatoes fresh for months
It is important to store potatoes in the right place to keep them edible for as long as possible. Light and heat are their biggest enemies: the sun’s rays promote the formation of solanine, a toxic substance that turns potatoes green and gives them a bitter taste.
The ideal solution is a dark, well-ventilated place at room temperature. A storage cupboard, a cool pantry, or a drawer is ideal. It is also important that potatoes get air. A closed plastic container is taboo—paper bags, baskets, or cardboard boxes are suitable instead.
Even after harvesting, potatoes continue to ‘breathe.’ Anthony explains that oxygen reacts with the sugars in the tuber, producing carbon dioxide and water. Proper storage slows down this process, prevents sprouting, and can even positively affect the taste.
If you store potatoes correctly, they will last for months—for crispy roast potatoes, creamy mash, or hearty stews—without any nasty surprises in the pantry.
If potatoes are stored correctly, they will stay fresh for months, so you will always have some available for your meals.
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