Cataplana de Mariscos (Algarve Seafood Stew)

Cataplana de mariscos is a Portuguese seafood stew closely associated with the Algarve, named for the lidded pan that traps steam and concentrates the broth. At its heart is a simple coastal combination of shellfish, prawns and firm white fish gently cooked over a base of softened onion, garlic, tomato, paprika and white wine. The result is light but deeply savoury, with briny shellfish juices enriching the sauce as everything steams together. Lemon and fresh coriander sharpen the finish, while crusty white bread is essential for mopping up the tomato-wine broth. It is a convivial, unfussy dish that depends on gentle heat, fresh seafood and serving it as soon as the fish is just cooked.
Cuisine style Algarve Portuguese seafood
Cooking style One-pot cooking • Crowd-friendly • Minimal cleanup
Time commitment Under 1 hour

Why this recipe works

  • Layered coastal flavour: Onion, garlic, paprika, tomato and white wine create a savoury base before the shellfish release their natural briny juices.
  • Gentle steaming: Cooking the seafood covered keeps the fish moist, opens the shellfish and concentrates the broth without aggressive boiling.
  • Bright finish: Lemon and fresh coriander lift the tomato-wine broth and balance the richness of the seafood.

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Authenticity notes

  • Algarve style: Cataplana is strongly associated with southern Portugal, where seafood is commonly cooked with tomatoes, aromatics and wine in a lidded pan.
  • About the pan: A cataplana pan traps steam effectively, but a heavy casserole or Dutch oven with a tight-fitting lid gives a similar result.
  • How it is served: Crusty white bread is the classic accompaniment, used to soak up the shellfish-rich broth.

Ingredient notes

  • Choose firm white fish: Use a firm fillet that can hold its shape in a broth rather than flaking apart too quickly.
  • Check the shellfish: Discard cracked clams or mussels and any that do not close when tapped before cooking.
  • Remove grit: If the shellfish look sandy, soak them in cold water, then rinse well before adding them to the stew.

Timing notes

  • Serve immediately: The stew is best eaten as soon as the shellfish open and the fish is just opaque, while the seafood is still tender.
  • Brief final rest: A short rest off the heat lets the lemon, coriander and seafood juices settle into the broth without continuing to boil.

Common mistakes

  • Boiling the seafood: Keep the heat gentle once the fish and shellfish are added; a hard boil can make prawns rubbery and fish dry.
  • Adding everything too early: Build the tomato and wine base first, then add the seafood near the end so it steams rather than stews for too long.
  • Keeping leftovers too long: Seafood stews are best fresh. If there are leftovers, chill them quickly and reheat gently until piping hot.

Equipment you'll need

Ingredients
Instructions
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  1. Rinse the clams and mussels well, discarding any with cracked shells or any that do not close when tapped. Slice the onion and thinly slice the garlic. Cut the tomatoes into small chunks, and cut the white fish into large bite-size pieces.
  2. Warm the olive oil in a cataplana or a heavy casserole over medium heat. Add the onion and cook for 8 to 10 minutes until soft and translucent, stirring regularly. Stir in the garlic, sweet paprika and bay leaves and cook for 1 minute until fragrant.
  3. Add the tomatoes and a pinch of salt, then cook for 8 to 10 minutes until they break down into a saucy base. Pour in the dry white wine and bring to a gentle simmer. Cook for 5 minutes to soften the acidity.
  4. Nestle in the fish pieces, then add the prawns, clams and mussels on top. Cover and cook gently for 6 to 10 minutes, shaking the pan once or twice, until the shells open and the fish is just opaque. Discard any clams or mussels that remain closed.
  5. Finely grate a little lemon zest into the stew, then squeeze in lemon juice to taste. Stir through most of the fresh coriander and let the stew stand off the heat for 2 minutes. Serve straight away with the crusty white bread and the remaining coriander scattered over.

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Recipe notes

Serving suggestions

This recipe pairs well with:

Crusty white bread

Tips

  • Keep the heat gentle once the seafood goes in; a hard boil can make prawns and fish tough.
  • If your clams or mussels look sandy, soak them in cold water for 20 minutes, then rinse well before cooking.
  • Seafood should be cooked until just done; if serving anyone vulnerable, make sure the fish is fully opaque and the prawns are pink all the way through.

Substitutions

  • Replace Dry White Wine with the same amount of water for an alcohol-free version, then finish with a little extra Lemon juice to brighten.
  • Replace Fresh coriander with Fresh parsley for a milder, more herbaceous finish.

Storage

  • Refrigerate up to 1 days
  • Best eaten straight away. Cool leftovers quickly, refrigerate, and reheat gently in a covered pan over low heat until piping hot; remove any seafood as soon as it is hot to avoid overcooking.

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Cataplana de Mariscos (Algarve Seafood Stew)
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Recipe overview

  • Servings: 4 servings
  • Total time: 55min (20min active)
  • Difficulty: Medium
  • Cuisine: Portuguese
  • Allergens:
    Crustaceans Fish Molluscs Wheat
With serving suggestions One pot

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