Crispy, dippable, and technically a vegetable: onion rings are one of my favorite foods. So, I set out to find the best brand of frozen onion rings. Whenever I go out for drinks with friends or loved ...

Preheat the oven to 375ºF. Separate the onion slices into rings. In a large bowl, stir together the buttermilk, 1/2 teaspoon of the salt, and 1/4 teaspoon of the pepper. Immerse the onion rings ...