Papaya Chicken

4 skinless chicken breasts
1/2 tsp. salt
1/4 tsp. black pepper
1 medium ripe papaya, peeled, seeded and diced
1 green bell pepper, seeded and diced
1 small red onion, diced
2 tbsp. balsamic vinegar
1 tsp. dark sesame oil

Preheat oven to 375.  Season chicken with salt and pepper and place in a baking dish.  In a mixing bowl, combine remaining ingredients.  Spoon mixture over chicken and bake, uncovered, for 45 minutes, until golden brown and cooked through.