1/2 c. oil
1/2 c. butter
1 3/4 c. sugar
2 eggs
1 tsp. vanilla
1/2 c. sour milk (1 tsp. vinegar with 1/2 c. milk)
2 1/2 c. flour
4 tbsp. cocoa
1/2 tsp. baking soda
1/2 tsp. cinnamon
1/2 tsp. cloves
1/2 tsp. salt
2 c. shredded zucchini
2 c. semi-sweet chocolate pieces
1/4 c. chopped nuts

Cream oil, butter, sugar together. Add eggs, vanilla and milk, blend. Sift flour, cocoa, soda, cinnamon, cloves and salt. Blend with creamed mixture. Stir in zucchini. Spread into greased and floured 11 x 15 inch baking sheet. Bake 20 to 25 minutes at 325 degrees.