Author Notes: Minty and sweet, this is my favorite filling for homemade Oreo cookies. —Posie (Harwood) Brien
Makes: enough for 18 sandwich cookies
Prep time: 10 min
cup unsalted butter, softened
cups confectioners' sugar
teaspoon peppermint extract
red food coloring (optional)
- Beat the butter in the bowl of a stand mixer, about 3 minutes. Add the remaining ingredients and beat until very fluffy, about 5 minutes more.