Chocolate Zucchini Cake
["1/2 c. butter", "1/2 c. oil", "1 3/4 c. sugar", "2 eggs", "1 tsp. vanilla", "1/2 c. sour cream", "2 1/2 c. flour", "4 Tbsp. cocoa", "1/2 tsp. soda", "1/2 tsp. baking powder", "1/2 tsp. cinnamon", "1/2 tsp. cloves", "2 c. shredded zucchini", "1/4 c. chocolate chips"]
["Cream butter and sugar.", "Add oil, eggs, vanilla and sour cream.", "Mix together.", "Add remaining ingredients.", "Bake at 325\u00b0 for 40 minutes in a 9 x 12-inch pan (greased and floured) or 60 minutes in greased and floured tube cake pan."]
["butter", "oil", "sugar", "eggs", "vanilla", "sour cream", "flour", "cocoa", "soda", "baking powder", "cinnamon", "cloves", "zucchini", "chocolate chips"]