In the United States, the government sorts food into five categories: dairy, fruit, grains, protein and vegetables. Potatoes are currently classified as a vegetable. But a government agency called the ...

Boil ’em. Mash ’em. Stick ’em in a stew. Feed them to your picky toddler who won’t eat anything else. Steal them off of your partner’s plate after you’ve insisted you’re not hungry. Throw them in the ...