1/2 c. butter
1/2 c. salad oil
1 3/4 c. sugar
2 eggs
1/2 c. milk
1/2 tsp. lemon juice
2 1/2 c. flour
1 tsp. vanilla
4 tbsp. cocoa
1/2 tsp. baking powder
1 tsp. baking soda
1/2 tsp. cinnamon
1 tsp. cloves
1/4 c. chocolate chips
2 c. zucchini, finely grated

Mix milk with lemon juice to sour. Set aside. Mix flour, cocoa, baking powder, soda, cloves and cinnamon. Set aside. Combine butter, oil, sugar, eggs, vanilla and soured milk. Mix well. Gradually add dry ingredients, mixing well after each addition. Add zucchini. Pour into 9 x 13 inch pan. Sprinkle chocolate chips over top. Bake at 325 degrees 45 minutes.