Chocolate Zucchini Cake

Jake made this cake for the fair and earned himself a blue ribbon. The recipe came from Lisa's Grandma, Joyce Simmons. Enjoy!
CHOCOLATE ZUCCHINI CAKE
3/4 c. margarine or butter
3/4 c. oil
1 3/4 c. sugar
2 eggs
1 t. vanilla
2 c. grated zucchini
1 t. baking soda
1/2 t. baking powder
5 T. Hershey's Cocoa
1/2 t. cloves
1/2 t. cinnamon
1/2 t. salt
2 1/2 c. flour
1/2 c. buttermilk (1 T. Lemon juice added to 1/2 c. milk)
Topping
1 c. Hershey's semi-sweet chocolate chips
1/2 c. shredded coconut
1/4 c. caramel topping
Cream together butter & sugar. Add eggs, oil, vanilla & zucchini. Beat for 3 minutes. Add dry ingredients and beat for 3 more minutes. Add buttermilk and beat for 3 more minutes. Place in a greased 9x13 baking dish or muffin pan. Sprinkle chocolate chips and coconut on top of unbaked batter. Bake at 325 for 40-45 minutes (20 minutes for muffins). Remove from oven and drizzle with caramel topping.