Mozzarella and Tomato Salad

Ingredients
2 oz. part-skim mozzarella cheese, cut into very thin slices
2 medium tomatoes, cut in ¼" slices
1 tablespoon red wine vinegar

Directions
Slice tomatoes and layer with the cheese slices. Pour vinegar on top and keep chilled until serving time.  Prepare 30 minutes in advance to allow the tomatoes to marinade in the vinegar.