Sour Cream Coffee Cake

1 cup margarine 1 3/4 cup sifted flour
3 eggs separated 1 tsp baking soda
1 cup sugar 1 tsp baking powder
1 cup sour cream

Cream margarine and sugar. Add egg yolks and sour cream.
Beat until light and fluffy. Add remaining dry ingredients.
Beat egg whites until stiff; fold in.
Pour half of the batter into greased & floured Bundt pan.
Sprinkle half of the topping on batter.
Add remaining batter and sprinkle remaining topping, dot with
margarine.
Bake at 325 F for 45 minutes. Allow to cool in pan 15 min.
before removing.

Topping:
1/4 cup sugar
1/2 tsp cinnamon
1/2 cup chopped nuts