2 medium onions, sliced
6 large plum tomatoes (1 pound) cut into 3/4-inch dice
2 tsp. balsamic vinegar
1/4 tsp. ground black pepper
2 T. chopped fresh basil leaves

Heat nonstick 10-inch skillet over medium heat until hot. Add onions and cook, stirring occasionally, 10 minutes or until tender and golden. Add tomatoes, vinegar, and pepper and cook 1 minute. Stir in basil. Spoon sauté over broiled chops, chicken, or fish