Belgian Waffles
["4 eggs, separated", "2 c. flour", "1 1/2 c. milk", "1 Tbsp. sugar", "1/4 c. butter or margarine, melted", "2 tsp. baking powder", "1/2 tsp. salt (optional)", "1 tsp. vanilla extract or 2 Tbsp. Ovaltine"]
["Beat egg yolks and sugar in a bowl until light.", "Add cooled melted butter, milk and vanilla or Ovaltine.", "Add flour, baking powder and salt; beat well.", "Beat egg whites until stiff and gently fold into batter.", "Bake and serve.", "Makes 10 (4 1/2-inch square) waffles."]
["eggs", "flour", "milk", "sugar", "butter", "baking powder", "salt", "vanilla"]