Angie's Light Battered Onion Rings 4    jumbo onions 3/4 cup cornstarch 1/4 cup flour 1    teaspoon baking powder 1/2 teaspoon salt 1/4 teaspoon pepper 1/2 cup water 1    egg, slightly beaten Cut onions into 1/4 to 1/2 inch slices. Mix ingredients into batter mixture. Dip rings into batter and coat rings well. Deep fry until golden brown. Source: Angie Carlson