1 cup buttermilk
1 1/2 cups all purpose flour
2 tablespoons Blackened Seasoning or other a purpose seasoning
1/2 teaspoon salt
2 cups vegetable oil
Peel onion, cut in half thinly sliced. Place in a bowl and cover with buttermilk. Mix flour and seasonings together in a zip top bag. Add a few onion slices to flour mixture and shake to coat. Shake off excess flour and place in a single layer on a baking sheet. Heat oil in a cast iron skillet to 350°. Add onions a few at a time until crispy. Remove to a wire rack to drain.