Evenly spread our your brownie batter into your prepared baking dish. Bake your brownies for 30-35 minutes, or until a toothpick inserted into the center comes out just clean, should have some crumbs.
Allow your brownies to cool completely before making your icing. Once cooled, make your icing my whisking all of your ingredients until smooth and combined, drizzle over top of brownies. Slice and enjoy!