Better than Boxed Cake

1 box devil's food cake mix
1 small box Jello instant chocolate pudding mix
1 cup sour cream
1 cup vegetable oil
4 eggs, beaten
½ cup milk
1 tsp vanilla
2 cups mini chocolate chips

Instructions
Preheat oven to 350 degrees F. Spray baking dish with nonstick cooking spray.
In a very large bowl, mix together everything except chocolate chips. Batter will be thick. Then stir in the chocolate chips.
Pour batter into cake pan of choice (I normally use two 9-inch round pans). For cooking time, I use the cooking times on the back of the cake box as a guide. Then I do the toothpick check, and if it's not done, I check on it every 5 mins after that. It usually takes around 45 mins for two, 9-inch round pans.