Cream sugar and butter together; ... 35 minutes. When cake is done, remove from oven ... from pan.) Pour icing over cake after it cools. ... and pour over marshmallows.
Preheat oven to 350°F. Grease ... coated. Prepare chocolate cake mix, following instructions on box; ... set. Spread Chocolate icing, then chocolate frosting after ... overnight in the refrigerator.
Cream butter and sour cream ... 350 degrees. While cake is still hot, spoon on ... top with chocolate icing. Sift powdered sugar and ... Cool cake before cutting.