Nannie'S Marble Cake - cooking recipe

Ingredients

3/4 lb butter
2 1/2 cups sugar
6 eggs, seperated
1 teaspoon vanilla
1 teaspoon lemon rind
3 cups all-purpose flour
1 teaspoon baking powder
2 tablespoons sugar
3 teaspoons baking cocoa
1/2 teaspoon baking powder
2 tablespoons sour cream

Preparation

Cream together the 3/4 pounds of butter and sugar, mix well.
Add 6 egg yolks, and vanilla and beat well.
Add grated lemon rind and beat.
Add flour sifted with 1 heaping teaspoon baking powder.
Beat 6 egg whites until stiff and fold into the above mixture. Reserve 2 cups of this mixture to make the chocolate mixture.
Chocolate mixture:
In bowl Combine 2 Tablespoons sugar, 3 heaping teaspoons cocoa, 1/2 teaspoon baking powder, 2 heaping tablespoons of sour cream, and 2 cups of the above batter to make the chocolate mixture.
Grease bundt pan well add white batter then chocolate batter alternately until the pan is over 1/2 full.
Bake at 325 on lowest rack in the oven for 1 hour until brown.
When cooled you can frost to your liking or sprinkle with powdered sugar.
We ate it as is and it was wonderful.