- 2/3 cup butter, softened
- 4 cups confectioners' sugar
- 2 tablespoons milk
- 1 teaspoon vanilla extract (optional)
- 4 drops red food coloring
- In a medium bowl, cream together the butter, confectioners' sugar, and milk until light and fluffy, about 3 to 4 minutes. Beat in the vanilla and food coloring. Spread on or between cookies.