Blueberry Pancakes
["2 c. self-rising flour", "2 Tbsp. sugar", "1 egg, separated", "3/4 c. milk", "1 tsp. vanilla", "1 to 2 Tbsp. melted butter or margarine", "3/4 plus c. blueberries (fresh or frozen), well drained*"]
["*How much you use depends on how much you like blueberries."]
["flour", "sugar", "egg", "milk", "vanilla", "butter", "blueberries"]