Christmas Seafood Platter (Spanish-Style Prawns, Mussels and Octopus)

A Spanish-style seafood platter makes a striking cold starter or sharing dish, especially for Christmas meals where the food needs to feel generous without being heavy. Tender octopus, shell-on prawns and steamed mussels are served chilled, then dressed with lemon, garlic and extra virgin olive oil for a clean, savoury finish. Flat-leaf parsley keeps the platter fresh, while smoked paprika adds the recognisable warmth and colour associated with Spanish cooking. The key is gentle cooking, proper chilling and dressing just before serving so the seafood stays glossy, bright and delicate.
Cuisine style Spanish-style festive seafood
Spice level Mild
Flavor profile Fresh • Salty • Lightly smoky
Techniques Gentle simmering • Steaming • Chilling
Cooking style Make-ahead friendly • Crowd-friendly
Time commitment Make-ahead friendly

Why this recipe works

  • Gentle cooking protects the seafood: The octopus is simmered slowly for tenderness, while the prawns and mussels are cooked separately so each element keeps its best texture.
  • Bright dressing balances richness: Lemon juice and garlic cut through the natural sweetness of the shellfish, while extra-virgin olive oil gives the dressing body and gloss.
  • Easy to prepare in stages: The seafood can be cooked and chilled ahead, then dressed just before serving so the platter stays fresh and vibrant.

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Timing notes

  • Chill before serving: The seafood should be cold before it is arranged on the platter, which gives the dish its clean, refreshing character.
  • Dress at the last moment: Add the lemon and olive oil dressing just before serving so the seafood remains glossy and the herbs stay bright.
  • Best once assembled: Once dressed, the platter is at its best the same day, as the lemon will gradually firm the seafood and soften the herbs.

Ingredient notes

  • Check mussels carefully: Use fresh mussels with closed, intact shells, and discard any that are cracked or do not open after steaming.
  • Use good olive oil: Because the dressing is uncooked and simple, a fresh-tasting extra-virgin olive oil makes a noticeable difference.
  • Choose the paprika to suit the finish: Smoked paprika gives a gentle Spanish-style smokiness; hot paprika can be used if you want a sharper, spicier edge.

Common mistakes

  • Boiling the octopus too hard: Keep the octopus at a gentle simmer rather than a rolling boil to help it turn tender without tightening.
  • Leaving prawns in too long: Prawns only need a brief cook until pink and just cooked through; overcooking makes them firm and rubbery.
  • Letting cooked seafood sit out: Cool the seafood promptly, keep it refrigerated, and avoid leaving the finished platter at room temperature for extended periods.

Serving ideas

  • Serve with bread: Crusty bread is ideal for catching the lemony olive oil dressing from the platter.
  • Pair with a crisp white: A chilled dry white wine or fino-style sherry works well with the briny seafood and citrus dressing.
  • Add lemon at the table: Extra lemon wedges let guests sharpen the flavour to taste without making the whole platter too acidic.

Equipment you'll need

Ingredients
Instructions
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  1. Fill a large pot with water and bring to a steady simmer. Add the octopus and cook at a gentle simmer for 45 to 60 minutes, until a knife slides in easily at the thickest part. Lift out and leave to cool to room temperature, then chill until cold.
  2. Bring the same pot of water back to a boil. Add the prawns and cook for 2 to 3 minutes, until pink and just cooked through, then drain and cool quickly under cold running water. Chill until cold.
  3. Rinse the mussels and discard any that are cracked or remain open when tapped. Bring a small splash of water to the boil in the pot, add the mussels, cover and steam for 4 to 6 minutes, shaking the pot once or twice, until opened. Drain and cool, discarding any that do not open.
  4. Juice the lemons into a mixing bowl. Finely grate or crush the garlic into the juice, then whisk in the extra virgin olive oil and fine sea salt until slightly thickened. Stir in most of the parsley, reserving a little for finishing.
  5. Slice the chilled octopus into bite-sized pieces. Arrange the octopus, prawns and mussels on a large platter. Spoon over the dressing just before serving, then finish with the reserved parsley and a light dusting of smoked paprika.

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Recipe notes

Tips

  • Keep the octopus at a gentle simmer rather than a rolling boil so it turns tender without tightening.
  • Dress the platter at the last moment so the seafood stays glossy and the parsley stays bright.
  • If serving to anyone who is pregnant, elderly, or immunocompromised, make sure the seafood is cooked through and chilled promptly, then kept refrigerated until serving.

Substitutions

  • Replace smoked paprika with hot paprika for a spicier finish.
  • Replace fresh flat-leaf parsley with fresh basil for a softer, sweeter herb note.

Storage

  • Refrigerate up to 2 days
  • Store the cooked seafood and dressing separately in the fridge. Assemble and dress just before serving; if already dressed, the platter is best eaten the same day.

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Christmas Seafood Platter (Spanish-Style Prawns, Mussels and Octopus)
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Recipe overview

  • Servings: 4 servings
  • Total time: 1h 10min (35min active)
  • Difficulty: Medium
  • Cuisine: Spanish
  • Allergens:
    Crustaceans Molluscs

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