Marinated Tuna 
Steaks Recipe 
4 (4 ounce) tuna steaks
1 small onion, thinly sliced and separated into rings
1/2 cup white wine vinegar
1 tablespoon and 1 teaspoon sugar
2 teaspoons dried mint
Salt and pepper to taste
Place tuna and onion in a shallow baking dish. 
Combine vinegar and next 3 ingredients and pour 
over tuna and onion. Cover and marinate in the 
refrigerator about 2 hours, turning occasionally. 
Remove tuna and set aside. Place onion and marinade 
in heavy duty foil and seal tightly. 
Generously coat grill of barbecue or broiler rack 
with cooking spray. Place over medium-hot coals or 
in a preheated broiler. Place tuna steaks on the grill/rack 
and cook 6-8 minutes. Turn the steaks and place the foil 
packet on grill/rack. Continue cooking tuna and onion 
packet 6-8 minutes or until fish flakes easily with a fork. 
Serve onion and heated marinade over tuna steaks.
Makes 4 servings
Serving Size: 1 tuna steak 
Nutrients per serving: 
Calories: 195 
Total fat: 6 grams (26% of calories) 
Saturated fat: 1 gram 
Cholesterol: 43 mg 
Sodium: 436 mg 
Carbohydrate: 8 grams (18% of calories) 
Protein: 27 grams (56% of calories) 
Dietary fiber: 1 gram