They should keep well for months. It's not impossible to replicate the conditions created by an outdoor root cellar indoors. As long as potatoes or onions stay in cool, dark, and dry spots ...

I love onions so much, and I take their storage seriously, which is why I’ve searched long and hard for the perfect storage solutions to upgrade my makeshift kitchen “root cellar,” ahead of ...

Onion bulbs and potato tubers both flourish ... Keep potatoes in a cool, dark place, such as in the cellar or pantry. Keep potatoes out of the fridge or freezer unless they've been cut or cooked ...