1/2 c. oil
1/2 c. butter
1 3/4 c. sugar
2 eggs
1/2 c. sour milk
1 tsp. vanilla
4 tbsp. cocoa
1 tsp. baking soda
2 1/2 c. flour
1/2 tsp. baking powder
1/2 tsp. salt
1/2 tsp. cinnamon
2 c. shredded zucchini

Cream butter and sugar. Add oil, eggs, milk and vanilla. Add dry ingredients; mix well. Add shredded zucchini. Mix. Pour into greased 9 x 13 inch cake pan. Sprinkle bag of chocolate chips on top. Bake at 325 degrees for 40-45 minutes.