Chocolate Zucchini Cake

1 cup brown sugar
1/2 cup cane sugar
2 sticks butter, softened
3 eggs
1 teaspoon vanilla
1/2 cup buttermilk
2 1/2 cups all-purpose unbleached flour
1/2 teaspoon allspice
1/2 teaspoon cinnamon
1/2 teaspoon salt
2 teaspoons baking soda
1/4 cup cocoa
3 zucchini approx. 6 inches long, grated
1 cup chocolate chips

1. Heat oven to 325°F. Grease and flour a 9 x 13 inch pan.
2. Cream the brown sugar, cane sugar, and butter in a large bowl. Add eggs, vanilla, and buttermilk and incorporate well. Mix flour, spices, baking soda, salt and cocoa in a separate bowl and add to butter/egg mixture and mix well. Fold in grated zucchini.
3. Pour batter into pan and sprinkle with chocolate chips. Bake for 45 minutes or until toothpick inserted in center comes out clean. Let cool for 5 minutes, then remove and cool completely on a wire rack. Enjoy with vanilla ice cream.