1 egg yolk
1 c. sour cream
1/2 c. milk
3 tbsp. melted butter
1 c. flour
2 tsp. sugar
1 tsp. baking powder
1/2 tsp. salt
1/4 tsp. baking soda
1 egg white

Preheat waffle maker. Put all ingredients except egg white in a large mixer bowl. Beat on low until moistened. Increase to medium; mix until smooth. By hand, gently fold in beaten egg white. Pour a rounded 1/2 cup of batter over grids. Close waffle maker, bake until golden, 2 to 3 minutes. Serve hot with warmed syrup or top with whipped cream and fruit.