Strawberry Daiquiris or Peach Daiquiris

1 (10 ounce) package frozen strawberries or peaches
1 (6 ounce) can frozen lemonade
    concentrate, thawed and undiluted
1 cup water
3/4 cup rum
Confectioners' sugar, to taste

Combine all ingredients in container of a blender; process until smooth. Spoon into a freezer container and freeze. Let stand at room temperature 15 minutes or until slushy before serving.