Peaches with Balsamic Vinegar and Black Pepper

4 perfectly ripe fresh peaches or nectarines

4 tablespoons high quality balsamic vinegar

1 tablespoon freshly ground black pepper

1 teaspoon sugar

Wash and drain peaches. Slice peaches into 1/2-inch thick slices and place in a large mixing bowl. Add vinegar, pepper and sugar and gently toss to coat. Divide among 4 martini glasses and serve.