Step into peanut butter heaven with this irresistible peanut butter frosting recipe for brownies. Perfectly creamy and nutty, it's the ultimate topping for crafting the best brownie recipe. It's versatile and can be used on a variety of desserts like chocolate cake and cupcakes!
Using a hand mixer, cream butter and peanut butter together in a large bowl. Use medium speed setting.
Add in vanilla extract, confectioners' sugar, salt, and a splash of heavy cream which should be about 1 tablespoon. Adjust mixer speed to high speed and mix well until ingredients are combined well and frosting looks fluffy.
Set cooled brownies on a flat surface, such as a cutting board. Use a small offset spatula to spread frosting out from the middle to the edges of the brownies. Cut, serve and enjoy them with your family or best friends!