• ½ cup (113g) butter
• 1 cup (125g) confectioners sugar
• 1 teaspoon (5ml) vanilla
• 3 tablespoons (44ml) Brandy or Rum
  

Cream butter with a hand mixer and add the confectioners sugar.  Add the vanilla and brandy and continue to whip for a moment or two.  Store in an airtight container and refrigerate until ready to use.