Tuna Steak with Tomato, Mushroom and Olive Sauce

This grilled tuna steak recipe brings Mediterranean flavours to your plate with its juicy, smoky fish paired with a vibrant tomato, mushroom, and olive sauce. The combination of earthy mushrooms, tangy tomatoes, and salty olives perfectly complements the richness of the tuna. It's a wholesome, elegant dish that’s easy to prepare yet feels delightfully indulgent.

Prep Time 15

Cook Time 20

Total Time 35

Servings People

Ingredients

The Tuna Steaks:

4 large tuna steaks 200g each
2 tbsp olive oil
salt to taste
pepper to taste
1 tsp lemon juice

The Sauce:

2 tbsp olive oil
1 medium onion finely chopped
2 cloves garlic minced
200 g mushrooms sliced
400 g tomatoes chopped
100 g black olives green olives, pitted and sliced
tsp dried oregano
salt to taste
pepper to taste
1/3 bunch Fresh parsley chopped

Instructions

Rub the tuna steaks with olive oil, then season with salt and pepper. Set aside to marinate while you prepare the sauce.
4 large tuna steaks, 2 tbsp olive oil, salt, pepper
Heat olive oil in a large pan over medium heat. Sauté the onion for 3–4 minutes until softened. Add garlic and cook for another minute.
2 tbsp olive oil, 1 medium onion, 2 cloves garlic
Stir in the mushrooms and cook for 5 minutes, until softened and slightly browned.
200 g mushrooms
Add the chopped tomatoes, olives, and oregano. Simmer for 10 minutes, stirring occasionally. Season with salt and pepper to taste.
400 g tomatoes, 100 g black olives, tsp dried oregano, salt, pepper
Preheat a grill or griddle pan over medium-high heat. Cook the tuna steaks for 2–3 minutes per side for a medium-rare finish, or longer if you prefer them well done.
Place the grilled tuna steaks on plates and spoon the tomato, mushroom, and olive sauce over them. Garnish with a sprinkle of parsley and a drizzle of lemon juice if desired.
1 tsp lemon juice, 1/3 bunch Fresh parsley

Notes

This dish pairs beautifully with roasted vegetables, a crisp green salad, or a side of couscous. It’s a quick yet impressive meal that celebrates bold, Mediterranean-inspired flavours.

Nutrition