Buttermilk Waffles

1 3/4 cup sifted flour

2 tsp baking powder

1/2 tsp baking soda

1/2 tsp salt

2 egg yolks, beaten

2 cups buttermilk

1/2 cup vegetable oil

2 stiffly beaten egg whites

Sift dry ingredients together.  Combine yolks, buttermilk and oil.  Stir into dry ingredients.  Fold in egg whites, leaving a few fluffs.  

Bake according to waffle maker directions.