Chocolate Zucchini Cake - cooking recipe

Ingredients

2 c. peeled and diced zucchini
1/2 c. butter or margarine
1/2 c. vegetable oil
1 3/4 c. sugar
2 eggs
1 tsp. vanilla
1/2 c. sour milk*
2 1/2 c. flour
4 Tbsp. cocoa
1 tsp. baking soda
1/2 tsp. baking powder
1/2 tsp. cloves
1/2 tsp. cinnamon
1/3 c. chocolate chips

Preparation

*To sour milk, put 1 teaspoon lemon juice in it and let stand 5 minutes.