Double Chocolate Marble Cake

Ingredients

• Servings: 1
• 6 eggs
• 1 cup butter
• 1 cup white sugar
• 1 cup packed brown sugar
• 1 teaspoon vanilla extract
• 1 cup sour cream
• 2 1/2 cups all-purpose flour
• 1/2 cup unsweetened cocoa powder
• 1/4 teaspoon salt
• 1 teaspoon baking soda
• 1/3 cup unsweetened cocoa powder
• 1/2 cup white sugar

Recipe

• preheat oven to 325 degrees f (165 degrees c). grease an flour one 10 inch tube pan.
• to make marbling mixture: combine 1/3 cup of the coca and 1/2 cup of the white sugar and mix well.
• in a large bowl, beat the egg whites until stiff, and set aside.
• in another bowl, cream the butter with 1 cup of the sugar and the brown sugar. beat in the egg yolks, then the vanilla and sour cream.
• in another bowl, stir together the flour, cocoa, salt, and baking soda. beat into the creamed mixture. stir about 1/3 of the egg whites into the batter to lighten it and then fold in the rest gently but thoroughly. spread about 1/4 of the batter into a greased and floured tube pan and sprinkle with about 1/3 of the cocoa-sugar mixture. continue repeating layers, ending with the batter. with a knife, lightly swirl the batter and cocoa mixture together
• bake at 325 degrees f (175 degrees c) for 1 3/4 hours, or until it tests done with a toothpick. let cool on a rack. makes 16 to 20 servings.