Instructions: Add egg yolks and sour cream. Beat until light and fluffy.

Add flour, baking powder and baking soda.

Beat egg whites until stiff; fold in.

Pour batter into a greased and floured Bundt pan.

Sprinkle with a topping.

Dot with extra butter.

Bake at 325 degrees for 1 hour.

Allow to cool in pan for 15 minutes before turning out.

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