Long John Silver's Style Fish Recipe . 3/4 Cup All Purpose Flour 2 tbs of Cornstarch 1/4 tsp of Baking Powder 1/4 tap of Baking Soda 1 tsp of Sugar 1 tsp of Salt 1/4 tsp of Garlic powder 1/4 tsp of Onion powder 1/8 to 1/4 tsp of paprika