Chocolate Chocolate Chip Cake

1 yellow or chocolate cake mix
1 small box instant chocolate fudge pudding
1/2 cup sugar
3/4 cup oil
3/4 cup water
4 eggs one at a time
1 tsp vanilla
1 cup sour cream
1 cup chocolate chips

Stir all ingredients by hand. Grease and flour pans.
Bake 350 degrees till toothpick in center comes out clean.

Frosting
2 cups powdered sugar
1/4 cup melted butter
2 squares unsweetened chocolate melted
1 tsp vanilla
2-3 Tbsp. cream

Cream butter and 1/4 cup powdered sugar. Add melted chocolate. Add remaining powdered sugar, vanilla and cream to desired consistency.