Directions Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9×13 inch pan. Sift together the flour, baking powder, baking soda, salt, cinnamon and cocoa powder. Set aside.**In a large bowl, cream together the butter, oil and sugar until light and fluffy. Beat in the eggs one at a time, then stir in the vanilla. In a small bowl, combine shredded zucchini with milk. Beat in the flour mixture alternately with the zucchini mixture. Pour batter into prepared pan.**Bake in the preheated oven for 55 to 60 minutes, or until a toothpick inserted into the center of the cake comes out clean. Allow to cool.**
Chocolate Zucchini Cake IV Recipe

Ingredients
flour,baking powder,baking soda,salt,cinnamon,cocoa powder,butter,vegetable oil,white sugar,egg,vanilla,zucchini,milk
Directions Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9×13 inch pan. Sift together the flour, baking powder, baking soda, salt, cinnamon and cocoa powder. Set aside.**In a large bowl, cream together the butter, oil and sugar until light and fluffy. Beat in the eggs one at a time, then stir in the vanilla. In a small bowl, combine shredded zucchini with milk. Beat in the flour mixture alternately with the zucchini mixture. Pour batter into prepared pan.**Bake in the preheated oven for 55 to 60 minutes, or until a toothpick inserted into the center of the cake comes out clean. Allow to cool.**
Directions Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9×13 inch pan. Sift together the flour, baking powder, baking soda, salt, cinnamon and cocoa powder. Set aside.**In a large bowl, cream together the butter, oil and sugar until light and fluffy. Beat in the eggs one at a time, then stir in the vanilla. In a small bowl, combine shredded zucchini with milk. Beat in the flour mixture alternately with the zucchini mixture. Pour batter into prepared pan.**Bake in the preheated oven for 55 to 60 minutes, or until a toothpick inserted into the center of the cake comes out clean. Allow to cool.**