Ingredients
2 cups all-purpose flour1 cup whole wheat flour2 cups sugar3 tablespoons baking cocoa2 teaspoons ground cinnamon1 teaspoon baking soda1 teaspoon salt1/2 teaspoon baking powder2 large eggs2 large egg whites1/2 cup buttermilk1/3 cup canola oil2 teaspoons vanilla extract2 cups shredded zucchini2/3 cup dark chocolate chips1/2 cup chopped walnuts, toasted
Preparation
Preheat oven to 350°. Coat two 8x4-in. loaf pans with cooking spray; dust with flour, tapping out extra.
In a large bowl, whisk the first eight ingredients. In another bowl, whisk eggs, egg whites, buttermilk, oil and vanilla until blended. Add to flour mixture; stir just until moistened. Fold in zucchini, chocolate chips and walnuts.
Transfer to prepared pans. Bake 55-65 minutes or until a toothpick inserted in center comes out clean. Loosen sides from pans with a knife. Cool in pans 10 minutes before removing to a wire rack to cool.
