Crispy fried onion slices in bowl with a spoon on a kitchen towel - Bhofack2/Getty Images Onions are an undeniable kitchen staple, which is why picking the best onions at the grocery store is crucial.

I've missed a few things since going gluten-free, and crispy fried onions are one of them. You know the ones—those golden, crunchy bits that come in a can and taste like pure comfort. They’re the ...