Chocolate Zucchini Cake With Chocolate Chip Topping
["1 c. brown sugar", "1/2 c. white sugar", "1/2 c. margarine", "1/2 c. oil", "3 eggs", "2 tsp. baking powder", "2 tsp. soda", "4 Tbsp. cocoa", "1 tsp. vanilla", "1/2 c. buttermilk", "2 1/2 c. flour", "1/2 tsp. cinnamon", "1/2 tsp. salt", "3 zucchini, finely grated (6 inches long)", "1 c. chocolate chips", "1/2 c. chopped nuts"]
["Cream the sugar, butter and oil.", "Add eggs, one at a time. Add vanilla and buttermilk; mix well.", "Add measured dry ingredients, then grated zucchini.", "Blend well.", "Pour into a greased and floured 9 x 13-inch pan.", "Sprinkle chocolate chips over top; bake at 325\u00b0 for 45 minutes."]
["brown sugar", "white sugar", "margarine", "oil", "eggs", "baking powder", "soda", "cocoa", "vanilla", "buttermilk", "flour", "cinnamon", "salt", "zucchini", "chocolate chips", "nuts"]