Beka's Sour Cream Chocolate Chip Cake

Ingredients:
1 yellow cake mix that has pudding in it (says has pudding in it)
8 ounces of sour cream
1/2 cup oil
4 eggs
1 teaspoon vanilla

STEP ONE: beat all above ingredients for 7 minutes
STEP TWO: pour half into a 9x 13 pan

Mix Filling:
3 Tablespoons melted butter
3/4 cup of sugar
5 Tablespoons baking cocoa
1 and 1/2 teaspoons of cinnamon

STEP THREE: sprinkle half of the filling on top of the half in the pan
STEP FOUR: sprinkle how many ever chocolate chips you want on top of that
STEP FIVE: use one half of remaining cake mix to layer on top
STEP FIVE: repeat steps three and four
STEP SIX: end with cake mix on top

Bake at 350 for 30 to 35 minutes