Preheat oven to 350F. Grease and flour a bundt pan or a 9x13 cake
pan. Sift together flour, baking powder, soda, and cinnamon. Set
aside. Cream together margarine, cocoa, and sugar. Add eggs one
at a time, mixing well after each addition. Combine vanilla, orange
peel, and zucchini, then stir into first mixture. Add dry ingredients,
alternating with milk, then add nuts. Pour into pan and bake for 1
hour.
