1 tbsp. olive oil
1/4 c. red wine vinegar
2 tsp. low sodium soy sauce
2 tsp. Dijon-style mustard
Black pepper to taste
1 tbsp. brown sugar
4 chicken breasts, skinned and boned

Combine first 6 ingredients in saucepan. Bring to boil and cool. Put chicken in ziploc bag. Pour marinade over and refrigerate for at least 4 hours. Cook under broiler for 4 minutes each side. Baste with remaining marinade.