1/2 c. butter
1/2 c. oil (vegetable)
1 3/4 c. sugar
2 eggs
1 tsp. vanilla
1/2 c. buttermilk OR 1/2 c. milk + 1 tsp. vinegar
2 1/2 c. flour
1/4 c. cocoa
1 tsp. baking soda
1 tsp. baking powder
1/2 tsp. salt
1/2 tsp. cinnamon
1/4 c. chopped nuts (optional)
2 c. grated zucchini
1/2 c. chocolate chips

Mix butter, oil and sugar. Add eggs and mix. Add vanilla and buttermilk. Stir in flour, cocoa, soda, baking powder, salt, cinnamon. Mix well. Add zucchini and nuts. Mix thoroughly. Pour into 13 x 9 inch pan. Sprinkle chocolate chips on top before baking. Bake at 325 degrees for 40-45 minutes.