1/2 c. butter
1/2 c. cooking oil
1 3/4 c. sugar
2 eggs
1 tsp. vanilla
4 tbsp. cocoa
2 1/2 c. sifted flour
1/2 tsp. baking powder
1 tsp. baking soda
1 tsp. salt
2 c. grated zucchini
1/2 c. buttermilk (or 1 tsp. lemon juice to 1/2 c. sweet milk)

Cream butter and sugar together. Add eggs, vanilla and milk. Add dry ingredients. Stir in zucchini. Spoon into a 9x13 inch pan. Sprinkle top with chocolate chips and grated nuts. Bake at 325 degrees for 40 to 45 minutes or until done.