In the midst of a busy week, preparing a gourmet meal may seem like a distant dream. However, this One-Pot Mackerel in Garlic Tomato Sauce recipe brings that dream to reality. Mackerel, celebrated for its robust flavor and health benefits, combines harmoniously with a garlicky tomato sauce to create a dish that’s as impressive as it is delectable. Whether you’re a seafood aficionado or a time-conscious home chef, this recipe offers the perfect solution for a satisfying and hassle-free dinner.

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One-Pot Mackerel in Garlic Tomato Sauce

One-Pot Mackerel in Garlic Tomato Sauce

One-Pot Mackerel in Garlic Tomato Sauce is a quick and elegant dish that marries succulent mackerel fillets with a vibrant tomato sauce infused with the bold flavors of garlic and herbs. It's a meal that will leave your taste buds delighted and your dinner table looking like it belongs in a five-star restaurant.
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Course Main Course
Cuisine Italian
Servings 4 servings


  • 4 mackerel fillets
  • 1 can (14 oz) diced tomatoes
  • 1 onion, finely chopped
  • 4 cloves of garlic, minced
  • 2 tbsp olive oil
  • 1 tsp dried basil
  • 1/2 tsp red pepper flakes (adjust to taste)
  • Salt and pepper to taste
  • Fresh parsley leaves for garnish
  • Lemon wedges for serving


Sear the Mackerel:

  • Heat olive oil in a large, deep skillet or pot over medium-high heat.
  • Add the mackerel fillets and sear for about 3-4 minutes on each side until they are golden brown. Transfer the fillets to a plate and set them aside.

Sauté the Aromatics:

  • In the same skillet, add the chopped onion and sauté for 2-3 minutes until it turns translucent.
  • Stir in the minced garlic, dried basil, and red pepper flakes. Cook for an additional minute, releasing their fragrant aromas.

Create the Garlic Tomato Sauce:

  • Pour in the can of diced tomatoes (including the juices) into the skillet.
  • Season the sauce with salt and pepper to taste. Allow it to simmer for 10 minutes, letting it thicken and infuse with garlic goodness.

Combine and Simmer:

  • Carefully place the seared mackerel fillets back into the skillet, nestling them into the garlic tomato sauce.
  • Simmer for another 5 minutes, allowing the fish to soak up the flavors and become tender.

Garnish and Serve:

  • Garnish the dish with fresh parsley leaves for a burst of color and freshness.
  • Serve hot with lemon wedges for that perfect zesty touch.


Cooking tips for the best results:
  1. Fresh mackerel: If available, opt for fresh mackerel fillets for the best flavor and texture.
  2. Spice level: Adjust the red pepper flakes to suit your heat preference, whether you prefer a mild or spicy dish.
  3. Don’t overcook: Be mindful not to overcook the mackerel; it should remain tender and flaky.
  4. Complement with sides: This dish pairs wonderfully with crusty bread, rice, or a simple green salad to complete your meal.
  5. Leftovers: Store any leftover mackerel in an airtight container in the refrigerator for up to two days. Reheat gently on the stovetop or in the microwave for a quick and satisfying leftover meal.

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FAQs about the Recipe for One-Pot Mackerel in Garlic Tomato Sauce

Can I use fresh tomatoes instead of canned ones?

Certainly! You can use fresh tomatoes; just ensure they are ripe and diced before adding them to the sauce.

Can I substitute mackerel with another type of fish?

Yes, you can substitute mackerel with other firm-fleshed fish like salmon or trout.

Is this dish suitable for a low-carb diet?

Absolutely! It’s low in carbs and high in protein, making it a great choice for a low-carb diet.

Can I freeze this meal for later consumption?

While it’s best enjoyed fresh, you can freeze this dish for up to two months. Thaw it in the refrigerator before reheating.

How do I prevent the mackerel from sticking to the skillet?

Ensure the skillet is well-oiled before searing the mackerel to prevent sticking.

Related Recipes and Culinary Articles

Read more here for additional info about mackerel recipes. Also, I recommend other interesting articles and recipes related to mackerel in tomato sauce, including baked mackerel in tomato sauce, easy mackerel in tomato sauce, mackerel in tomato sauce with olives and capers, Italian mackerel in tomato sauce with pasta, Spanish mackerel in tomato sauce with rice, and more (see below.)

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