Extra-Crunchy Onion Rings Recipe

Ingredients

• 2 cups buttermilk, or 1 cup plain yogurt mixed with 1 cup milk
• 1 1/2 kosher teaspoons salt
• 2 large yellow onions, peeled, sliced into 1/2-inch thick ringed slices, rings separated (See How to Slice an Onion)
• 1 teaspoon freshly ground black pepper
• 1 1/2 cups all-purpose flour
• 1/3 cup cornmeal
• 3 cups frying oil such as peanut oil, canola oil, or rice bran oil