Ingredients

• 1 cup creamy peanut butter
• 0.5 cups butter , softened
• 2 cups confectioners' sugar
• 3 tablespoons milk , or as needed

Instructions

1. 1 Gather all ingredients.
2. 2 Beat peanut butter and butter in a medium bowl until creamy and combined.
3. 3 Gradually blend in sugar; when the mixture thickens, begin incorporating milk, 1 tablespoon at a time, until frosting is thick and spreadable.
4. 4 Beat on high speed until light and fluffy, about 3 minutes. Scrape down the sides of the bowl with a spatula.
5. 5 Use it to frost a peanut butter cake, pipe it onto chocolate cupcakes, or spread it on cookies or brownies.

Nutrition per serving