1 tub chocolate, ready to spread frosting
1 c. flour
2 eggs
1/3 c. milk
1/2 tsp. baking powder
1/2 c. marshmallow cream

Preheat oven to 350 degrees. Grease and flour a square pan. Mix 1 cup of frosting, flour, eggs, milk, and baking powder. Pour into pan. Bake until pulls away from the pan, 20-25 minutes. Cool. Spread marshmallow cream and then rest of icing. Swirl. Keep cold.