- 1/2 cup butter or margarine, softened
- 1 1/2 cups sugar
- 3 eggs
- 1/2 cup vegetable oil
- 3 teaspoons vanilla extract
- 1 3/4 cups all-purpose flour
- 1/4 cup baking cocoa
- 2 teaspoons baking soda
- 1 teaspoon baking powder
- 1/2 teaspoon ground cinnamon
- 2 cups shredded zucchini
- 1 cup chopped walnuts
- 1/2 cup semisweet chocolate chips
- In a mixing bowl, cream butter and sugar. Add eggs, one at a time, beating well after each addition. Beat in oil and vanilla. Combine the flour, cocoa, baking soda, baking powder and cinnamon; gradually add to the creamed mixture. Fold in zucchini and walnuts if desired.
- Spread into a greased 13-in. x 9-in. x 2-in. baking pan. Sprinkle with chocolate chips. Bake at 350 degrees F for 30-35 minutes or until a toothpick inserted near the center comes out clean. Cool on a wire rack.