chocolate zucchini cake

1 1/2 c. sugar

2 1/2 c. flour
4 Tbsp. cocoa
1 tsp. soda
2 c, grated zucchini
2 eggs
1/2 tsp. salt
3/4 c, oil
1/2 c. buttermilk or sour milk w/ vinegar

Mix sugar, eggs and oil. Stir dry ingredients and add alternately with buttermilk. Pour into a 9x13 inch pan. Sprinkle with 2/3 c. chocolate chips and 1/2 c. chopped nuts. Bake at 325 for 35 to 40 minutes.   ( Do not ice)