1/2 c. butter, softened
1/4 c. vegetable oil
1 3/4 c. sugar
1/2 tsp. salt
2 eggs
1 tsp. vanilla
1/2 c. sour milk
2 1/2 c. flour
4 tbsp. cocoa
1 tsp. baking soda
1/2 tsp. baking powder
3/4 tsp. cinnamon
1/2 tsp. cloves
2 c. grated unpeeled zucchini

Preheat oven at 325 degrees. Grease and flour a 9x13 inch cake pan. Set aside. Cream together butter, oil, sugar, salt, eggs, vanilla, and sour milk. Stir together the remaining dry ingredients. Add to liquid, mixing well. Bake 40-45 minutes or until wooden pick inserted in center comes out clean.