Peppermint Meltaways... Peppermint Meltaways Ingredients Cookie 1 cup Land O Lakes® Butter, softened 1/2 cup powdered sugar 1/2 teaspoon peppermint extract 1 1/4 cups all-purpose flour 1/2 cup Argo® Cornstarch Glaze 1 1/2 cups powdered sugar 2 tablespoons Land O Lakes® Butter, softened 1 to 2 tablespoons milk 1/4 teaspoon peppermint extract 2 to 3