2/3 cup butter, softened
1 3/4 cups sugar
2 eggs, room temperature
1 1/2 tsp. vanilla extract
2 1/2 cups all-purpose flour
2 1/2 tsp. baking powder
1/2 tsp salt
1 1/4 cups milk
2 heaping Tbsp. cocoa powder
4 - 5 Tbsp. hot water
1. In a large mixing bowl, cream butter and sugar until light and fluffy. Add eggs, one at a time, beating well after each addition. Stir in vanilla.
2. Combine the flour, baking powder and salt. Add to the creamed mixture alternately with milk, beginning and ending with flour.
3. In a small bowl, mix the cocoa powder and hot water until it is smooth and spreadable. Remove one cup of batter and mix with the cocoa mixture.
4. Grease and flour two 9-inch round cake pans or one rectangular pan.
5. Alternate yellow batter and the cocoa batter.
6. Use a knife and swirl the two batters together.
7. Bake at 350 degrees for 25 - 30 minutes or until a toothpick inserted in center comes out clean. Cool for 10 minutes before removing from pans and cool completely on wire racks. Leave the cake in the rectangular pan and frost top when completely cool.
8. Use frosting of your choice for the cake. I use a chocolate fudge frosting that goes well with the marble as well as yellow cake.