Chocolate Zucchini Brownies

Ingredients

• 1/3 cup vegetable oil
• 1 cup granulated sugar
• 1 cup grated zucchini (excess moisture squeezed out)
• 1/2 cup semi-sweet or dark chocolate chips
• 1 teaspoon vanilla
• 1 egg
• 1 egg yolk
• 1 cup all-purpose flour
• 2 tablespoons unsweetened cocoa powder
• 1/4 teaspoon baking soda
• 1/2 teaspoon salt
• 3 tablespoons butter
• 3 tablespoons semi-sweet chocolate chips
• 1 1/2 tablespoons unsweetened cocoa powder
• 1 1/2 tablespoons milk
• 1/4 teaspoon vanilla
• 1 cup powdered sugar