6 chicken breast halves, skinned & boned
1/2 c. brown sugar
1/3 c. olive oil
1/4 c. cider vinegar
3 cloves garlic, crushed
3 tbsp. coarse grain prepared mustard
1 1/2 tbsp. lemon juice
1 1/2 tbsp. lime juice
1 1/2 tsp. salt
1/4 tsp. pepper

Marinate 3 to 4 hours, then grill.