Chocolate Zucchini Cake

From: Carol...
2 1/2 cup flour
1/2 cup cocoa
2 1/2 t. baking powder
1 1/2 t. baking soda
1 t. salt
1 t. cinnamon
3/4 cup margarine
2 cup sugar
3 eggs
2 t. vanilla
2 cup shredded zucchini
1/2 cup milk
1 cup chopped nuts


Frosting:
2 cup powder sugar
1/4 cup butter
1 T cocoa
milk as needed


Mix together wet ingredients in a kitchen aid.  In a bowl mix together the dry ingredients, add this to the wet and mix well.  Bake at 350 degrees in a 9X13 dish for 1 hour. Check for doneness.  Meanwhile mix frosting, wait until cake is cooled before frosting.