Chocolate Summer Squash Cake

I make this when we have a lot of zucchini or other squash. It is a very moist cake. I have also used leftover spaghetti squash or other mild flavored squash. I grate and freeze 3 cup portions of squash to use later in breads and cakes.

Chocolate squash cake (lower fat version)
1/2 cup oil
1 3/4 cups sugar
2 large eggs
1 cup lowfat yogurt, sour cream, buttermilk or sour milk
3 cups coarsely shredded squash
2 cups flour ( I use fine whole wheat flour)
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 cup cocoa powder
1/2 teaspoon vanilla
1/4 teaspoon cinnamon (optional)
1/4 teaspoon cyanne pepper powdered (optional)
1/4 teaspoon salt
1/2 cup chocolate chips (optional)

blend dry ingredients except sugar in a large bowl, mix wet ingredients and sugar, add to dry and stir until well blended. Stir in chocolate chips. Oil a 9 x 13 inch pan (oil and flour if using a bunt pan) bake in a 350 deg oven for 45 min test cake for doneness, It may need more time if squash is very wet. Note if batter seems too thick add a little more milk or yogurt.