No buttermilk? You can make your own by mixing a teaspoon of lemon juice or vinegar into just under 1/3 cup of whole milk. Let it sit for 10 minutes and then proceed with the recipe.
Try different onions: Any kind of onion can be used to make onion rings, including sweet onions and even shallots (although those will come out pretty small!)
Make them softer: The thicker the onion rings, the softer they will be inside. So if you like a crispy coating and soft center, that's good to know.
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