Lemon or Strawberry Hard Sauce

• ¼ pound butter
• ¾ pound icing sugar
• juice and grated rind of

Work butter until soft; stir in sugar gradually and smoothly. Stir in juice and grated rind of 1 lemon, or ½ cup mashed strawberries, and mix until smooth. Add more sugar if desired. Should sauce separate after standing, beat until well blended.