Chcolate chip zucchini cake

2 1/2 cups flour
1 3/4 cups sugar
1 tsp baking soda
1 tsp salt
4 T. Cocoa
1 tsp cinnamon
2 cups grated zucchini
1/2 cup buttermilk
1/2 cup oil
2 eggs
1 tsp vanilla
1 cup choc. chips
1/2 cup chopped nuts-optional

Squeeze zucchini dry. mix wet ingredients in a bowl. Add dry ingredients to the wet ingredients and mix together.
Smooth cake into 9x13 ungreased pan.
Sprinkle with chocolate chips and nuts if desired.
Bake at 350* for 45-50 minutes.