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.

Find the chain restaurants with the best onion rings, according to a chef who shares her top picks.

From beer-battered to thick-cut options, grocery shoppers share the best frozen onion rings you can make at home.