Chocolate Zucchini Sheet Cake
["1/2 c. soft oleo", "1/2 c. vegetable 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. cinnamon", "1/2 tsp. cloves (optional)", "2 c. grated zucchini", "1/2 to 1 c. chocolate chips"]
["Cream oleo, oil and sugar.", "Add eggs, vanilla and sour milk. Beat well.", "Sift flour and rest of dry ingredients together.", "Stir in zucchini.", "Pour into greased 9 x 12-inch oblong pan.", "Sprinkle chocolate chips on top.", "Bake at 325\u00b0 for 40 to 45 minutes on top shelf of oven.", "Check before 45 minutes."]
["oleo", "vegetable oil", "sugar", "eggs", "vanilla", "sour milk", "flour", "cocoa", "baking powder", "baking soda", "cinnamon", "zucchini", "chocolate chips"]