Sour Cream Coffee Cake
["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"]
["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."]
["sugar", "butter", "sour cream", "eggs", "flour", "baking soda", "vanilla"]