Categories Food “Ultimate Onion Ring or Fish Batter” Post author By Adam Wolf Post date July 20, 2005 No Comments on “Ultimate Onion Ring or Fish Batter” 1 c. cornstarch 1 c. flour 2 1/2 tsp. baking powder 1 tsp. salt 1 egg 1 c. cold water 2 tbsp. oil Beat togther.