Batter Fried Fish
["2 lb. white fish", "1 c. flour", "2 tsp. baking powder", "1 tsp. salt", "1 egg, separated", "1/2 c. lukewarm water", "1 Tbsp. melted shortening"]
["Cut fish into serving size pieces, in a bowl.", "Sift flour, salt and baking powder.", "Drop egg yolk in center and add water and shortening.", "Mix well.", "Fold in beaten egg whites."]
["white fish", "flour", "baking powder", "salt", "egg", "water", "shortening"]