1 package devil's food cake mix
1 (3.9 oz) package instant chocolate pudding mix
1 C sour cream
1 C milk
1/2 C vegetable oil
1/2 C water
4 eggs
2 Cups semisweet chocolate chips

Frosting:

6 T butter
1 C semisweet chocolate chips
1 package chocolate M&M's

Directions

Preheat oven to 350 degrees. Grease and flour cake pans

In a large bowl, combine cake mix, pudding mix, sour cream, milk, oil, water and eggs. Beat for 4 minutes, then mix in chocolate chips

Pour batter into prepared pans, Bake in the preheated oven for 40 to 50 minutes, or until a toothpick inserted into the center of the cake comes out clean. Set on a wire rack until cooled.

Melt butter and 1 cup chocolate chips in a small saucepan. Drizzle over the entire cake. Sprinkle M&M's on top and sides to decorate.