Ingredients
1 cup butter, softened1-1/2 cups sugar2 large eggs, room temperature1/2 cup plain yogurt1 teaspoon vanilla extract2-1/2 cups all-purpose flour1/4 cup baking cocoa1 teaspoon baking soda1/2 teaspoon salt2 cups shredded zucchiniFROSTING:2/3 cup semisweet chocolate chips1/2 cup creamy peanut butter
Preparation
Preheat oven to 350°. In a large bowl, cream butter and sugar until light and fluffy, 5-7 minutes. Add eggs, 1 at a time, beating well after each addition. Beat in yogurt and vanilla. In another bowl, combine flour, cocoa, baking soda and salt; gradually add to creamed mixture. Stir in zucchini.
Pour into a greased 13x9-in. baking pan. Bake until a toothpick inserted in the center comes out clean, 35-40 minutes.
For frosting, in a small saucepan, combine chocolate chips and peanut butter. Cook and stir over low heat until smooth. Spread over warm brownies. Cool on a wire rack. Cut into bars.
