Sour Cream Coffee Cake - cooking recipe

Ingredients

3 c. sugar
2 stick butter/margarine
1 c. sour cream
6 eggs, separated
3 c. flour
1/2 tsp. baking soda
1 tsp. vanilla

Preparation

Combine sugar, butter, egg yolks & sour cream.
Mix well with electric mixer.
Add flour and baking soda.
Beat egg whites (not too stiff) and fold them into dough. Then add vanilla.