My cousins came to visit one summer toting this cake. Yum. The recipe is from Epicurious.com.
2 1/4 cups sifted all purpose flour
1/2 cup unsweetened cocoa powder
1 teaspoon baking soda
1 teaspoon salt
1 3/4 cups sugar
1/2 cup (1 stick) unsalted butter, room temperature
1/2 cup vegetable oil
2 large eggs
1 teaspoon vanilla extract
1/2 cup buttermilk
2 cups grated unpeeled zucchini (about 2 1/2 medium)
1 6-ounce package (about 1 cup) semisweet chocolate chips
3/4 cup chopped walnuts
Preheat oven to 325˚F. Grease & flour 13x9x2-inch baking pan.
In a medium bowl combine flour,cocoa, baking soda and salt.
Beat sugar, butter and oil in a large bowl of an electric mixer until well blended. Add eggs, 1 at a time, beating well after each addition. Beat in vanilla extract.
Mix in dry ingredients alternating with buttermilk in 3 additions each. Stir in zucchini. Pour into baking pan. Top with chocolate chips & nuts.
Bake 50 minutes, until toothpick inserted in center comes out clean. Cool completely in pan.