Moist Zucchini Brownies with Chocolate Frosting - Perfect Way to Use Garden Zucchini - ioanacooks

Ingredients

• 1½ cups white sugar
• ½ cup vegetable oil
• 2 teaspoons vanilla extract
• 2 cups all-purpose flour
• ½ cup unsweetened cocoa powder
• 1½ teaspoons baking soda
• 1 teaspoon salt
• 2 cups shredded zucchini
• ½ cup chopped walnuts
• 6 tablespoons unsweetened cocoa powder
• ¼ cup butter
• 2 cups confectioners' sugar
• ¼ cup milk
• ½ teaspoon vanilla extract