1 cup unsalted butter, softened to room temperature
1/2 cup powdered sugar
1 teaspoon peppermint extract
1 1/4 cup all-purpose flour, lightly spooned into measuring cups and leveled with a knife
1/2 cup cornstarch
1/2 recipe of Perfect Cream Cheese Frosting (replace vanilla with peppermint extract); this icing has a strong cream cheese flavor.
OR Glace Icing (use peppermint extract instead of other flavors)
OR 1/2 recipe of the cream cheese icing from this carrot cake (replace vanilla with peppermint extract; this icing has a mild cream cheese flavor).
Crushed candy canes