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Grilled Tuna and Onions

Heart.Foods's picture
  Tuna steaks 16 Ounce
  Onion 1 Small, thinly sliced and separated into rings
  White wine vinegar 1⁄2 Cup (8 tbs)
  Sugar 1 1⁄2 Tablespoon
  Dried mint flakes 2 Teaspoon
  Salt 1⁄2 Teaspoon
  Pepper 1⁄4 Teaspoon
  Vegetable cooking spray 1

Place tuna and onion in a large shallow baking dish.
Combine vinegar and next 4 ingredients; pour vinegar mixture over tuna and onion.
Cover and marinate in refrigerator at least 2 hours, turning tuna occasionally.
Remove tuna from marinade, reserving 1/4 cup marinade and onion.
Place reserved onion on a large square of heavy-duty aluminum foil; pour reserved marinade over onion.
Fold foil over onion; seal tightly.
Coat grill rack with cooking spray; place on grill over medium-hot coals.
Place foil packet on rack; cook 15 to 20 minutes or until onion is tender, turning packet frequently.
Place tuna on rack; cook 6 to 8 minutes on each side or until fish flakes easily when tested with a fork.
To serve, place tuna on individual serving plates; spoon onion mixture evenly over tuna.

Recipe Summary

Difficulty Level: 
Main Dish

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Average: 4.2 (15 votes)

Nutrition Rank

Nutrition Facts

Serving size: Complete recipe

Calories 858 Calories from Fat 221

% Daily Value*

Total Fat 25 g37.8%

Saturated Fat 6.1 g30.7%

Trans Fat 0 g

Cholesterol 172.4 mg57.5%

Sodium 1207 mg50.3%

Total Carbohydrates 40 g13.3%

Dietary Fiber 5.1 g20.4%

Sugars 27.7 g

Protein 109 g218.5%

Vitamin A 219.2% Vitamin C 16.2%

Calcium 22.1% Iron 78.8%

*Based on a 2000 Calorie diet

Grilled Tuna And Onions Recipe