Ocean Blue Fish Fillets

Featured in: One-Pot Wonders

This dish features tender blue fish fillets and small shrimp baked with a medley of fresh vegetables including fennel, red onion, zucchini, and cherry tomatoes. Aromatic garlic, lemon zest and juice, capers, dill, and parsley enhance the flavors while smoked paprika and sea salt provide a subtle smoky seasoning. Cooked in olive oil and finished in the oven, it delivers a balance of freshness and depth, creating a vibrant main course perfect for pescatarian dining.

Updated on Thu, 04 Dec 2025 08:32:00 GMT
Vibrant Plongeons dans lOcéan Poisson Bleu showcasing flaky blue fish with succulent shrimp and roasted vegetables. Pin
Vibrant Plongeons dans lOcéan Poisson Bleu showcasing flaky blue fish with succulent shrimp and roasted vegetables. | potfuljoy.com

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

I first tried this recipe to bring the taste of the ocean to my dinner table and it was an instant favorite among my family and friends.

Ingredients

  • 4 blue fish fillets: about 150 g each, e.g., mackerel, sardine, or bluefish
  • 200 g small shrimp: peeled and deveined
  • 1 fennel bulb: thinly sliced
  • 1 red onion: finely chopped
  • 1 small zucchini: diced
  • 200 g cherry tomatoes: halved
  • 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
  • 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.
Golden blue fish fillets in Plongeons dans lOcéan Poisson Bleu, served with lemon wedges and fresh parsley. Pin
Golden blue fish fillets in Plongeons dans lOcéan Poisson Bleu, served with lemon wedges and fresh parsley. | potfuljoy.com

Sharing this meal with my family brings us closer, creating memories around food and fun conversations.

Notes

Serve with a chilled Sauvignon Blanc or a dry rosé for the perfect pairing.

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.

Close-up of baked Plongeons dans lOcéan Poisson Bleu, highlighting juicy tomatoes, shrimp, and the flaky texture of blue fish. Pin
Close-up of baked Plongeons dans lOcéan Poisson Bleu, highlighting juicy tomatoes, shrimp, and the flaky texture of blue fish. | potfuljoy.com

This recipe is a fresh and flavorful way to enjoy seafood any day of the week.

Recipe Q&A

What type of fish works best for this dish?

Blue fish varieties like mackerel, sardine, or bluefish provide the ideal flavor and texture, but salmon or trout can also be used as substitutions.

Can I add spice to this seafood dish?

Yes, adding a pinch of chili flakes before baking adds a gentle heat complementing the citrus and herbs.

What side dishes pair well with this main?

Cooked quinoa or wild rice offer a wholesome accompaniment, complementing the fresh seafood and vegetable flavors.

How do I ensure the fish stays tender during cooking?

Cooking the fish fillets gently in an ovenproof skillet with olive oil and baking at 190°C prevents drying and keeps the fish moist.

Are there any allergens to be aware of?

This dish contains fish and shellfish (shrimp). It's important to verify allergens in ingredients like capers to avoid any adverse reactions.

Can I prepare this dish ahead of time?

While best enjoyed freshly baked, components like sliced vegetables and seasoning mix can be prepped in advance to save time.

Ocean Blue Fish Fillets

Blue fish fillets combined with shrimp, vegetables, and citrus for a fresh, savory seafood main.

Preparation time
20 min
Cooking time
25 min
Total time
45 min

Category One-Pot Wonders

Difficulty Medium

Origin French

Yield 4 Servings

Dietary specifications Dairy-free, Gluten-free

Ingredients

Fish & Seafood

01 4 blue fish fillets (e.g., mackerel, sardine, or bluefish), approx. 5.3 oz each
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)

Instructions

Step 01

Preheat oven: Set oven temperature to 375°F (190°C) to prepare for baking.

Step 02

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

Step 03

Sauté aromatics and vegetables: Warm 2 tablespoons of olive oil in a large ovenproof skillet over medium heat. Add red onion and fennel, cooking for 3 to 4 minutes until softened.

Step 04

Add garlic and zucchini: Incorporate minced garlic and diced zucchini into the skillet, cooking for an additional 2 minutes.

Step 05

Stir in tomatoes and seasonings: Mix in halved cherry tomatoes, drained capers, half the lemon zest, and half the chopped parsley to the vegetable mixture.

Step 06

Arrange seafood: Place the seasoned blue fish fillets and shrimp atop the vegetable bed. Drizzle with remaining 2 tablespoons of olive oil and lemon juice.

Step 07

Add final herbs and bake: Sprinkle fresh dill and the remaining lemon zest over seafood. Transfer skillet to preheated oven and bake for 15 to 18 minutes until fish is opaque and shrimp are pink.

Step 08

Garnish and serve: Remove from oven, garnish with remaining parsley, and serve immediately. Optionally, accompany with cooked quinoa or wild rice.

Required equipment

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

Allergen information

Review each ingredient to identify potential allergens and if uncertain, please consult a healthcare professional.
  • Contains fish and shellfish (shrimp); verify any additional allergens in capers.

Nutritional values (per serving)

These values are provided as a general guide only and shouldn't replace professional medical advice.
  • Calories: 340
  • Fat: 15 g
  • Carbs: 12 g
  • Protein: 36 g