Grease an 8×8 inch baking dish with butter or cooking spray.
In a large bowl, whisk together the melted butter and sugar until combined. Add in the vanilla and eggs and stir until combined.
In a separate bowl, mix together the flour, cocoa powder, baking powder, and salt. Add the dry ingredients to the wet ingredients and stir until combined.
Stir in the shredded zucchini and chocolate chips until evenly distributed.
Pour the batter into the prepared baking dish and spread evenly.
Bake for 25-30 minutes, or until a toothpick inserted in the center comes out clean.
Remove from oven and allow to cool completely before frosting.
To make the frosting, beat together the cream cheese, butter, and vanilla extract until light and fluffy. Slowly add in the powdered sugar, and beat until combined.
Spread the frosting over the cooled brownies and enjoy!
Interesting Facts
Zucchini is a great way to add moisture and nutrition to baked goods.
Brownies will continue to cook after they are removed from the oven, so make sure to test for doneness before removing them.
Cream cheese frosting is a great way to add flavor and sweetness to baked goods.