Can leftover mashed potatoes really stand in for butter on grilled cheese? I tested the viral trick to see what actually happens in the pan.

Potatoes are a dietary staple across tons of cultures for a reason — they're inexpensive, they're versatile, and they're a great canvas for tons of different flavors. During the Great Depression, ...

Have a ton of leftover mashed potatoes on hand? We've got a simple way to use them up — and you'll only need a couple of ingredients you likely already have in your kitchen. Bring new life to your ...