Transfer cake to serving plate. Frost with ONE-BOWL BUTTERCREAM FROSTING. Decorate cake to resemble greeting card. 12 to 15 servings. ONE-BOWL BUTTERCREAM FROSTING: In medium bowl, beat butter until creamy. Gradually add sugar and cocoa alternately with milk and vanilla, beating until of spreading consistency. About 2 cups frosting.JM Hershey's is a registered trademark of Hershey Foods Corporation. Recipe may be reprinted courtesy of the Hershey Kitchens. ----