Blue Fish Fillets Seafood

Featured in: Fun Weeknight Dinners

This dish highlights tender blue fish fillets layered over sautéed fennel, red onion, zucchini, and cherry tomatoes. Enhanced with garlic, capers, and fresh herbs, it’s finished with lemon zest and juice to bring a bright flavor. Cooked in the oven until the fish is flaky and shrimp are pink, it offers a balanced combination of textures and freshness. Optionally served over quinoa or wild rice, it’s a satisfying main course evoking the flavors of the ocean.

Updated on Thu, 04 Dec 2025 11:57:00 GMT
Plongeons dans l'Océan Poisson Bleu showcasing flaky blue fish with vibrant tomatoes and fresh herbs. Save to Pinterest
Plongeons dans l'Océan Poisson Bleu showcasing flaky blue fish with vibrant tomatoes and fresh herbs. | chomzo.com

A vibrant seafood dish featuring tender blue fish fillets, fresh vegetables, and a hint of citrus, evoking the freshness of the ocean.

This recipe brings the taste of the ocean right to your table with fresh ingredients that are simple to prepare.

Ingredients

  • Fish & Seafood: 4 blue fish fillets (e.g., mackerel, sardine, or bluefish), about 150 g each, 200 g small shrimp, peeled and deveined
  • Vegetables: 1 fennel bulb, thinly sliced, 1 red onion, finely chopped, 1 small zucchini, diced, 200 g cherry tomatoes, halved
  • Aromatics & Seasonings: 2 cloves garlic, minced, Zest and juice of 1 lemon, 1 tbsp capers, drained, 2 tbsp fresh parsley, chopped, 1 tbsp fresh dill, chopped, 1 tsp sea salt, ½ tsp freshly ground black pepper, ½ tsp smoked paprika, 4 tbsp extra virgin olive oil
  • Accompaniment: 200 g cooked quinoa or wild rice (optional)

Instructions

Step 1:
Preheat the oven to 190°C (375°F).
Step 2:
Rinse and pat dry the blue fish fillets. Season both sides with salt, pepper, and smoked paprika.
Step 3:
Heat 2 tbsp olive oil in a large ovenproof skillet over medium heat. Add the red onion and fennel sauté for 3–4 minutes until softened.
Step 4:
Add garlic and zucchini cook for another 2 minutes. Stir in cherry tomatoes, capers, half the lemon zest, and half the parsley.
Step 5:
Lay the blue fish fillets and shrimp over the vegetables. Drizzle with remaining olive oil and lemon juice.
Step 6:
Sprinkle with dill and remaining lemon zest. Transfer the skillet to the oven and bake for 15–18 minutes until the fish is cooked through and the shrimp are pink.
Step 7:
Remove from oven, garnish with the rest of the parsley. Serve hot, optionally over quinoa or wild rice.
This Plongeons dans l'Océan Poisson Bleu features succulent bluefish baked to perfection with colorful vegetables. Save to Pinterest
This Plongeons dans l'Océan Poisson Bleu features succulent bluefish baked to perfection with colorful vegetables. | chomzo.com

This dish has become a family favorite especially during weekend dinners with friends, bringing everyone together.

Notes

Serve with a chilled Sauvignon Blanc or a dry rosé to complement the seafood flavors.

Required Tools

Ovenproof skillet or baking dish, Chefs knife, Cutting board, Measuring spoons

Allergen Information

Contains fish and shellfish (shrimp). Double-check for allergens in capers and other processed ingredients.

Imagine tender Plongeons dans l'Océan Poisson Bleu: a delicious seafood feast served with cooked quinoa. Save to Pinterest
Imagine tender Plongeons dans l'Océan Poisson Bleu: a delicious seafood feast served with cooked quinoa. | chomzo.com

Enjoy this fresh seafood delight that offers both nutrition and elegance in every bite.

Common Questions

What types of fish work best for this dish?

Bluefish, mackerel, and sardines are ideal due to their firm texture and rich flavor, but salmon or trout can be good substitutes.

Can I prepare this dish ahead of time?

Yes, you can prep the vegetables and season the fish in advance, then assemble and bake closer to serving for best freshness.

What side dishes complement this meal?

Light grains like quinoa or wild rice work well, as do simple green salads or steamed vegetables to keep the balance fresh.

How can I add a spicy element to the flavor?

Add a pinch of chili flakes before baking to introduce gentle heat without overpowering the citrus and herbs.

Is this suitable for dairy-free diets?

Yes, this preparation uses olive oil and fresh ingredients without any dairy products, aligning with dairy-free needs.

Blue Fish Fillets Seafood

Tender blue fish fillets baked with fresh vegetables, citrus, and aromatic herbs for a flavorful meal.

Prep Duration
20 minutes
Cook Duration
25 minutes
Time Needed
45 minutes
Author Maya Brooks


Skill Level Medium

Cuisine Type French

Makes 4 Portions

Dietary Info No Dairy, No Gluten

Required Ingredients

Fish & Seafood

01 4 blue fish fillets (approx. 5.3 oz each; e.g., mackerel, sardine, or bluefish)
02 7 oz small shrimp, peeled and deveined

Vegetables

01 1 fennel bulb, thinly sliced
02 1 red onion, finely chopped
03 1 small zucchini, diced
04 7 oz cherry tomatoes, halved

Aromatics & Seasonings

01 2 cloves garlic, minced
02 Zest and juice of 1 lemon
03 1 tbsp capers, drained
04 2 tbsp fresh parsley, chopped
05 1 tbsp fresh dill, chopped
06 1 tsp sea salt
07 ½ tsp freshly ground black pepper
08 ½ tsp smoked paprika
09 4 tbsp extra virgin olive oil

Accompaniment

01 7 oz cooked quinoa or wild rice (optional)

Preparation Steps

Step 01

Preheat oven: Preheat the oven to 375°F (190°C).

Step 02

Prepare fish fillets: Rinse and pat dry the blue fish fillets. Season both sides with sea salt, black pepper, and smoked paprika.

Step 03

Sauté vegetables: Heat 2 tablespoons of olive oil in a large ovenproof skillet over medium heat. Add the red onion and sliced fennel; sauté for 3 to 4 minutes until softened.

Step 04

Add garlic and zucchini: Incorporate minced garlic and diced zucchini; cook for an additional 2 minutes. Stir in cherry tomatoes, capers, half of the lemon zest, and half of the chopped parsley.

Step 05

Assemble seafood: Arrange the blue fish fillets and shrimp atop the vegetable mixture. Drizzle with remaining olive oil and lemon juice.

Step 06

Season and bake: Sprinkle fresh dill and the remaining lemon zest over the seafood. Transfer the skillet to the oven and bake for 15 to 18 minutes, until fish is fully cooked and shrimp are pink.

Step 07

Serve: Remove from oven, garnish with remaining parsley, and serve hot. Optionally, plate over cooked quinoa or wild rice.

Tools Needed

  • Ovenproof skillet or baking dish
  • Chef's knife
  • Cutting board
  • Measuring spoons

Allergy Details

Look at the ingredient list to spot allergens. If you have questions, ask a healthcare provider.
  • Contains fish and shellfish (shrimp). Verify allergens in capers and processed ingredients.

Nutrition Details (each portion)

These facts are just for your reference and not substitute for medical guidance.
  • Energy: 340
  • Fats: 15 g
  • Carbohydrates: 12 g
  • Proteins: 36 g