1/2 c. lemon juice
3 tbsp. cooking oil
1 1/2 tsp. mustard
1/2 tsp. salt
1/4 tsp. cayenne pepper
1 tbsp. soy sauce
2 1/2 lb. boneless chicken breast

Mix all ingredients except chicken; add chicken and marinate for 2 hours. Broil or barbecue until crusty brown, about 25 minutes. Turn pieces frequently and baste with marinade.