Chocolate Cake

I'm not sure where this recipe came from but it's makes my list of favorites.

1 yellow cake mix
1 small box instant chocolate pudding
1/2 cup sugar
mix together in bowl and remove lumps with wire whisk

Add:
3/4 cup vegetable oil
3/4 cup water
3 eggs
1 cup sour cream
Stir with electric mixer for 2 minutes and add:
1 cup milk chocolate chips

Put in greased 9x13 inch pan and bake at 350 degrees for about 45 minutes. Let cool and sprinkle powdered sugar over the top.