1/2 c. butter
1/2 c. oil
1 1/2 c. light brown sugar, packed
2 eggs
1 tsp. vanilla extract
1/2 c. buttermilk
2 1/2 c. unbleached all-purpose flour
1 tsp. baking soda
1/2 tsp. salt
1/2 tsp. baking powder
1/2 tsp. cinnamon
1/2 tsp. cloves
2 c. finely diced zucchini (not grated)
1 c. carob chips (chocolate chips can be substituted)
1 c. chopped nuts (optional)

Cream butter, oil and sugar well. Beat in eggs, vanilla and buttermilk. Combine all dry ingredients and add to creamed mixture. Beat well with electric mixer, then fold in zucchini and carob chips.

Turn into a well-greased 9x13 pan and bake at 325 degrees for 40-50 minutes, or until it tests done. Frost with a cream cheese frosting.