Champion Chocolate Cake

Directions

1. In a bowl, cream the butter and brown sugar. Add eggs, one at a time beating well after each addition. Beat in the chocolate and vanilla. Combine the flour, baking soda and salt; add to the creamed mixture alternately with sour cream. Whisk in water until smooth. Pour into a greased 13x9-in. baking pan. Bake at 350° for 25-30 minutes or until a toothpick inserted in the center comes out clean. Cool for 10 minutes; invert onto a wire rack to cool completely.
2. For frosting, combine butter, confectioners' sugar, vanilla and enough milk to achieve spreading consistency. Frost sides and top of cake. With a glass (about 2-1/4-in. diameter), outline five interlocking circles on frosting. Use M&M's in order listed to cover each circle with a single color.