1/2 c. butter
1/2 to 3/4 c. sugar
1 tsp. vanilla
2 1/2 c. flour
1 1/2 tsp. baking soda
6 oz. semi-sweet chocolate chips
1/2 c. corn oil
2 eggs (XL)
1/2 tsp. cinnamon
1/2 c. sour cream
4 tbsp. cocoa
2 c. grated zucchini

Cream butter, oil and sugar. Add eggs, vanilla, sour cream. Beat until smooth. Sift dry ingredients into mixture; add 2 cups grated zucchini. Do not peel (wash clean). Blend ingredients together with mixing spoon. Pour into greased 9 x 13 inch pan. Top with 1/2 package chocolate chips. Bake at 350 degrees 40 to 45 minutes. Cool before cutting.