Chocolate Zucchini Cake
["1/2 c. margarine, softened", "1/2 c. oil", "1 3/4 c. sugar", "2 eggs", "1 tsp. vanilla", "1/2 c. buttermilk", "1/2 c. chocolate chips", "2 1/2 c. flour", "1/2 tsp. salt", "4 Tbsp. cocoa", "1 tsp. baking soda", "1/2 tsp. cinnamon", "2 c. shredded zucchini"]
["Cream first six ingredients.", "Add remaining ingredients, except chips and nuts.", "Spread into greased 9 x 13-inch pan. Sprinkle the top with the nuts and chips.", "Bake at 325\u00b0 for approximately 45 minutes."]
["margarine", "oil", "sugar", "eggs", "vanilla", "buttermilk", "chocolate chips", "flour", "salt", "cocoa", "baking soda", "cinnamon", "zucchini"]