Zucchini Chocolate Chip Cake

Mmmmm.... zucchini doesn't get better than this! This cake is total comfort food for me, taking me back to summer afternoon snack time as a kid.

Cream together:
1/2 cup margarine soft
1/2 cup oil
1 3/4 cup white sugar

Add and mix well:
3 eggs
1 teaspoon vanilla
1/2 cup buttermilk

Mix in:
2 1/2 cups flour
4 tablespoons cocoa
1/2 teaspoon baking soda
1/2 teaspoon salt
2 teaspoons cinnamon

Fold in:
2 cups zucchini shredded
1/4 cup chocolate chips

- Spoon into 9x13 greased pan, sprinkle with addtional chocolate chips (approx 1/4 cup)
- Bake @ 350° for 45 minutes