2 eggs – separate the yolk and whites
1 cup sour cream (or buttermilk)
1/3 cup melted better
3/4 cup flour
1/2 teaspoon salt
1/2 teaspoon baking soda (mix with a bit of water)
3 teaspoons milk

Beat the egg yolk and mix in sour cream, flour, melted butter, salt and baking soda/water mix and the milk.

Beat the egg whites separately until light and fluffy and fold into batter. Bake in a waffle iron.