Directions

1. Remove tuna from refrigerator 15 minutes before beginning.
2. Preheat a stove-top grill pan over medium heat. Turn heat to high, add 30 ml / 2 tbsp oil and grill tuna steaks 2 minutes on each side for rare. Cook longer, if desired. Season with salt and pepper.
3. In a small saucepan, warm the rest of the oil with the oregano over medium heat for about 2 minutes. Add the capers, lemon zest and lemon juice. Remove pan from heat, add parsley and season with salt and pepper.
4. Place tuna steaks on individual plates and spoon the vinaigrette over the top before serving.