Potatoes are a staple in British kitchens, whether boiled, mashed, roasted, wedged, or sliced. Storing them correctly ensures they stay fresher for longer at home. If left in plastic packaging, potatoes can sprout and turn green before cooking. Fortunately, simple food storage tips can prevent this.
Fridge Storage Now Recommended
The Food Standards Agency advises storing potatoes in the fridge or a cool, dry spot. Previously, experts warned against fridge storage due to concerns about increased acrylamide levels, a substance linked to cancer. However, a chilled symbol on potato packaging now indicates that the fridge is safe.
For fridge storage, give potatoes space to avoid bruising and keep them away from moisture-heavy produce. One Money Saving Expert Forum user suggests using two separate salad boxes: one for potatoes and root veg, and another for peppers, tomatoes, lemons, and limes. They add, "I take them out of any plastic bags and put a layer of kitchen roll in the bottom to absorb wetness." Another member stores potatoes in a paper bag in the fridge, noting they last longer than in plastic.
Cool, Dry Storage Alternative
A food expert at The Kitchn recommends a dark, cool closet away from the kitchen heat. A pantry or kitchen cupboard also works if the temperature stays consistently below 10°C. Keep potatoes clear of cookers and heating vents. Remove them from plastic bags and use a basket or breathable cotton sack. Ensure potatoes are completely dry before storing, as dampness accelerates rotting and sprouting.
Avoid Onions and Light
Tesco highlights that darkness is ideal, as light triggers photosynthesis and sprouting. Potatoes should also be stored away from onions, which release ethylene gas that causes premature ripening. Tesco notes that "curing" healthy, unsprouted potatoes can extend their lifespan to six months.
How to Cure Potatoes
Select large potatoes with thick skin, free from puncture marks, soft spots, mould, blemishes, or shovel damage. Brush away mud but do not wash them, as moisture encourages sprouting. Lay potatoes on a dark sheet of newspaper, ensuring they do not touch each other for air circulation. Leave them for two weeks in a well-ventilated, cool, dry spot below 10°C. Check every few weeks for any sprouted or rotten potatoes.
