Mejillones en Salsa Picante: Spanish Mussels on Half Shell
This vibrant recipe for Mejillones en Salsa Picante is your ticket to transporting your kitchen straight to the coast of Spain. There is something incredibly comforting about a big pan of mussels, but presenting them on the half shell elevates them into a stunning platter for your next gathering. We take fresh, tender mussels and dress them in a rich, garlic-infused tomato sauce spiked with both sweet and hot smoked paprika. They get a quick broil to get everything bubbling, followed by a squeeze of charred lemon for a bright, smoky pop of contrast. Pour a glass of crisp white wine, slice up some crusty bread, and get ready to dip into pure coastal bliss.
Ingredients
Mussels
- 2 lb fresh mussels 907 g cleaned and debearded
- ½ cup dry white wine 120 mL
- ¼ cup water 60 mL
Salsa Picante
- 2 tablespoon extra virgin olive oil 30 mL
- ½ medium yellow onion very finely diced
- 3 cloves garlic minced
- 1 tablespoon tomato paste 15 mL
- ¾ teaspoon sweet smoked paprika
- ¾ teaspoon hot smoked paprika
- ⅛ teaspoon cayenne pepper or to taste
- ½ cup reserved mussel liquor 120 mL, strained
- 1 teaspoon sherry vinegar 5 mL
- ¼ teaspoon kosher salt plus more if needed
- ⅛ teaspoon freshly ground black pepper
- 1 tablespoon finely chopped parsley
For Finishing
- 1 lemon halved
- Additional chopped parsley
- Grilled or toasted bread for serving
Instructions
Char the Lemon
- Heat a skillet over medium-high heat.
- Place the lemon halves cut side down and cook until deeply caramelized, about 3 to 4 minutes. Remove from the skillet and set aside.
Steam the Mussels
- Place the cleaned and debearded mussels in a 3.5q Essential Pan or a large pot with the white wine and water.
- Cover and cook over medium-high heat for 4 to 6 minutes, occasionally shaking the pot, until the mussels open wide.
- Transfer the mussels to a tray using a slotted spoon, discarding any that remained tightly closed.
- Strain the remaining cooking liquid through a fine-mesh sieve lined with a paper towel or cheesecloth to catch any residual grit. *Reserve ½ to ¾ cup (120 to 180 mL) of this strained mussel liquor.
- Once the mussels are cool enough to handle, gently snap off and discard the top shell from each one.
- Arrange the remaining half shells with the meat inside in a single, slightly overlapping layer in an 8" x 6" oval au gratin or shallow baking dish.
How to Clean Mussels: Rinse mussels under cold running water, stirring them with your hands to remove sand or grit. Mussels naturally open and close their shells when out of water. If any remain open, give them a sharp tap or gently squeeze them under running water. Discard any that do not close or that have a broken shell. Check for any remaining beards, the fibrous strands sticking out from the shell. Remove by pulling firmly with a paper towel or scraping gently with a knife.
Make the Salsa Picante
- Heat the extra virgin olive oil in a skillet over medium heat.
- Add the finely diced onion and cook for 6 to 8 minutes until softened and lightly golden.
- Stir in the minced garlic and cook for 30 seconds until fragrant.
- Add the tomato paste and cook, stirring frequently, for 1 to 2 minutes until it darkens to a deep brick red.
- Stir in the sweet paprika, hot paprika, and cayenne pepper. Cook for 30 seconds, stirring constantly to prevent the spices from burning.
- Pour in the ½ cup (120 mL) of reserved mussel liquor and bring the mixture to a simmer.
- Cook for 4 to 5 minutes until the sauce is slightly reduced and glossy.
- Remove the skillet from the heat and stir in the sherry vinegar, kosher salt, black pepper, and chopped parsley.
- Taste the sauce and adjust the seasonings if necessary. (Depending on how salty your mussel liquor is, you may not need any extra salt).
Optional Pro Tip: For a completely smooth, restaurant-style consistency, pass an immersion blender through the sauce briefly before moving to the next step.
Finish and Serve
- Preheat your oven's broiler to high.
- Spoon the warm salsa picante generously over each mussel.
- Place the baking dish under the broiler for 60 to 90 seconds, just until the sauce is hot and bubbling around the edges. Watch closely so they do not overcook or dry out.
- Garnish with additional fresh parsley and a bright squeeze of your reserved charred lemon juice.
- Serve immediately with plenty of warm, grilled bread for dipping.
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Notes
Tips, Substitutions & Serving Suggestions
- Mussel Liquor Adjustments: The natural liquid released from the steamed mussels provides all the foundational seafood depth you need, making clam juice or fish stock unnecessary. If your mussels happen to yield less than ½ cup (120 mL) of liquid, simply top off the measurement with a splash of extra dry white wine.
- Vinegar Substitutes: If you do not have sherry vinegar on hand, a high-quality red wine vinegar is an excellent alternative to maintain that bright, acidic balance.
- Perfect Pairings: Serve this classic tapas dish alongside a chilled glass of crisp Spanish white wine like Albariño, Verdejo, or Godello. The bright acidity of these wines beautifully cuts through the rich, smoky heat of the paprika sauce.
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