Preheat Oven To 350 Degrees F (175 Degrees C). Coat Two Non-Stick Baking Sheets With Cooking Spray. Sift Together The Flour, Sugar, Baking Soda, And Salt. Gradually Beat The Flour Mixture Into The Egg Whites To Form A Batter. Evenly Fold The Fruit Cocktail Into The Batter. Dollop The Batter In 2 Tablespoon Portions Onto The Prepared Baking Pans, Leaving At Least 2 Inches Between Pancakes. Bake In Preheated Oven Until Puffed And Golden Brown, 10 To 15 Minutes.