1/2 c. butter
1/2 c. oil
1 3/4 c. sugar
2 eggs
1 tsp. vanilla
1/2 c. sour milk
2 1/2 c. flour
4 tbsp. cocoa
1/2 tsp. baking powder
1 tsp. baking soda
1/2 tsp. cloves
1/2 tsp. cinnamon
2 c. zucchini. finely diced (not shredded)
1/4 c. chocolate chips

Cream butter, oil and sugar. Add eggs, vanilla and sour milk. Beat well with mixture. Mix together all dry ingredients and add to creamed mixture. Beat well. Stir in zucchini. Spoon batter into greased and floured 9x12x2 inch pan. Sprinkle top with chocolate chips. Bake 325 degrees for 40 to 45 minutes.