Ingredients:
4-6 oz. Tuna portions
2 oz. Bartenura Balsamic Vinegar
3 oz. Teal Lake Shiraz
2 oz. Olive Oil
½ tsp. Garlic Powder
½ tsp. Onion Powder
Pinch Cayenne Pepper
Pinch Salt
2 sprig Rosemary

Method:
1) Mix all ingredients, except for the fish, in a corningware or glass bowl.
2) Add fish and let marinate for 1 hour.
3) Remove and broil for 3 or 4 min. per side.