Chocolate Bundt Cake...

1 yellow cake mix
1 large box instant choc. pudding mix
3/4 c. oil
3/4 c. water
4 eggs
8 oz. sour cream (plus more for the frosting, see below)
6 oz. chocolate chips

Combine all ingredients except the sour cream and chocolate chips and mix thoroughly. Stir in the sour cream and the chocolate chips. Pour into a bundt pan that has been sprayed with cooking spray and then coated with granulated sugar. Bake at 350 for 1 hour. Pour the frosting over the cake when it is just barely still warm.

Frosting

1 can Betty Crocker Milk Chocolate Frosting
about 1/3 c. sour cream

In a glass bowl, warm the frosting in the microwave about 20 seconds, until it is soft and pourable, but not steaming hot. Stir in the sour cream and then drizzle over the barely warm cake.