Ingredients
2 cups all-purpose flour1/3 cup baking cocoa1-1/2 teaspoons baking soda1 teaspoon salt2 cups shredded zucchini1-1/2 cups sugar3/4 cup vegetable oil1/2 cup chopped walnuts2 teaspoons vanilla extractFROSTING:1/4 cup butter, cubed1 cup sugar1/4 cup milk1/2 cup semisweet chocolate chips1/2 cup miniature marshmallows1 teaspoon vanilla extract1/2 cup chopped walnuts, optional
Preparation
In a large bowl, combine the flour, cocoa, baking soda and salt. In a small bowl, combine the zucchini, sugar and oil; stir into dry ingredients until blended. Stir in walnuts and vanilla.
Pour into a greased 13-in. x 9-in. baking pan. Bake at 350° for 35-40 minutes or until a toothpick comes out clean. Cool on a wire rack for 30 minutes.
In a large saucepan, melt butter; stir in sugar and milk. Bring to a boil over medium heat, stirring frequently. Cook and stir 1 minute or until smooth. Remove from the heat. Stir in chips and marshmallows until melted and smooth; add vanilla. Spread over brownies. Sprinkle with walnuts if desired.
