Brown Sugar Balsamic Grilled Chicken

INGREDIENTS

1 lb

chicken breasts (about 3-4 medium breasts)

!For marinade:

1/2 cup

balsamic vinegar

1/3 cup

olive oil

3 tbsp

brown sugar

2 tsp

minced garlic (about 2-3 cloves)

1 tsp

ground pepper (several turns of the pepper grinder)

salt, optional (about 1/2 tsp.)