Chocolate Chocolate Cake

chococake

1 box Devil's Food cake mix
1 box instant chocolate pudding
1-cup sour cream
4 eggs
1/2-cup canola oil
1/2-cup warm water
11⁄2 cups chocolate chips
1 tsp. vanilla

Mix together all ingredients (chips last). Pour into greased bunt pan. Bake in preheated 350-degree oven 50 minutes. Let stand in oven for 20 minutes more with door closed and heat off.