Balsamic Vinegar Strawberries

1/2 pint strawberries, hulled and sliced
1 1/2 teaspoons sugar replacement, or to taste
1-1 1/2 teaspoons balsamic or red-wine vinegar

Place strawberries in a bowl and toss with sugar to taste. Sprinkle with vinegar to taste. Let stand for 20 minutes before serving.