Method
Preheat oven to 325°F.
Over a large bowl, sift flour, cocoa, baking soda and salt. Put to the side.
Set an electric mixer on medium and
cream the butter, oil, and sugar in a mixing bowl until light. Mix in eggs, one at a time, beating well after each addition. Mix in vanilla .
Add dry ingredients alternately with buttermilk to creamed mixture, beating well after each addition. Stir in zucchini, half the chocolate chips and half the walnuts - reserving the rest for the top of the cake.
Pour batter into a greased 13 x 9 x 2-inch baking pan. Sprinkle with reserved chocolate chips and walnuts.
Bake in a preheated 325° F. oven for 55 minutes or until cake tests done to a toothpick. Cool in pan on a wire rack. Cut into squares to serve.
Contributor: Debbie Howell back to zucchini article - more recipes
