Sour Cream Coffee Cake
["1 c. margarine or butter", "3 eggs, separated", "1 c. sugar", "1 c. dairy sour cream", "1 3/4 c. sifted cake flour", "1 tsp. baking soda", "1 tsp. baking powder", "1/4 c. sugar", "1/2 tsp. cinnamon", "1/2 c. chopped nuts"]
["Cream butter and sugar.", "Add egg yolks and sour cream.", "Beat until light and fluffy.", "Add flour, baking powder and soda.", "Beat egg whites until stiff.", "Fold in.", "Pour batter into Bundt pan. Sprinkle with a topping of 1/4 cup sugar, 1/2 teaspoon cinnamon and 1/2 cup chopped nuts.", "Dot with extra."]
["margarine", "eggs", "sugar", "sour cream", "cake flour", "baking soda", "baking powder", "sugar", "cinnamon", "nuts"]