BasqueMedium · Hot
Mussels a la Marinera in Garlic Tomato Broth
Onion and garlic softened in olive oil until sweet, then tomato broken down into a broth that is loose and bright and carries the sea. Mussels go in with the lid on and are pulled the moment every shell opens, because a minute past that and the texture is lost. Parsley across the top, and the broth is worth a piece of bread to chase every drop.
Prep
15 min
Cook
20 min
Total
35 min
Method
Prepare the Mussels
1
Scrub the mussels under cold running water. Use a stiff brush to clean the shells and pull off any beard. Discard any mussels with broken shells or that do not close when tapped. Set aside.
Build the Aromatic Base
2
Dice the yellow onion small. Roughly chop the garlic. Score an X on each tomato and blanch in boiling water for 30 seconds, then peel and dice.
3
4
Add the garlic and cook for 1 minute until fragrant. Stir in the smoked paprika and cayenne, cooking for 30 seconds until the spices bloom in the oil.
Add Tomatoes and Steam
5
Add the diced tomato and the half cup of water. Stir and let it come to a gentle simmer. Cook for 5 minutes, letting the tomatoes break down into the broth.
6
Add the diced tomato and 1/2 cup (120ml) of water. Stir and let it come to a gentle simmer. Cook for 5 minutes, letting the tomatoes break down into the broth.
Finish the Broth
7
Remove the lid. Drag the pan slightly off the heat. Add the cold butter in pieces, swirling the pan vigorously to emulsify it into the broth — it should look glossy and cling to the shells.
8
Drizzle in the white vinegar and swirl once more. Taste and adjust salt.
Serve
9
Scatter the fresh parsley over the mussels. Bring the cazuela straight to the table with good crusty bread for scooping. Serve immediately.
B
Nutri-Score
Good balance
A–E · lower is better · score 1
Calories
401
per serving
High in protein · 32gLow sugar · 4g
Protein
32g
Carbs
19g
Fat
22g
Sat. fat
8g
Fiber
3g
Sugar
4g
Sodium
1539mg
Gluten FreeHeart HealthyAnti InflammatoryDiabetes FriendlyHigh ProteinLow CarbOmega 3 Rich
Nutri-Score is a general nutritional-balance guide, not medical or dietary advice.
Flavor Profile
7
Umami
4
Sweet
5
Salty
3
Sour
1
Bitter
4
Spicy
Textures
TenderSilkySaucy
Aromas
BrinyHerbalSmokyGarlicky
Kitchen Equipment
Primary Tool
Saute PanCounter FootprintMedium
Techniques
Safety & Storage
Cooking Temperature
Cook mussels covered over medium-high heat until all have opened (4-5 minutes). Any mussels that remain closed after cooking should be discarded as they may harbor bacteria.
Storage
Keep fresh mussels refrigerated at 40°F or below. Use within 1-2 days of purchase. Never store at room temperature.
High Risk Population
Shellfish poses higher risk for pregnant women, elderly, and immunocompromised individuals. Ensure mussels are fully cooked and from reputable sources.
Cross Contamination
Scrub mussels under cold running water and use a stiff brush. The cooking liquid and shells can cross-contaminate other foods; sanitize all surfaces and utensils after handling raw mussels.
Handling
Discard broken shells, dead mussels (those that do not close when tapped), and any with damaged shells. Pull off beard before cooking. Do not reuse cooking liquid from raw mussels.
Allergen Warning
This dish contains mollusks and dairy. Use separate serving utensils if sharing with guests who have shellfish or milk allergies.
Pro Tips
Technique
When you add the cold butter to finish, keep the pan moving — swirl, swirl, swirl. It should look almost like a light pil-pil, glossy and clinging to the shells. Cold butter and hot broth are the secret to that emulsification.
Flavor Boost
A pinch of smoked paprika twice — once with the garlic and once at the very end — gives the broth a deeper, more insistent Atlantic character than a single addition ever could.
Equipment
Use a wide cazuela or deep skillet so the mussels steam in a single layer. Crowding them means uneven cooking and some shells refusing to open.
From the chef
In Donostia, we say a good marinera broth is the sea talking back to you — and it should never be shy. My mother used to make this after the autumn storms came in, when the boats delivered mussel after mussel still tasting of the Atlantic, and we'd set the cazuela straight on the table with a bottle of txakoli, letting everyone scoop up every drop. This version keeps the vinegar sharp and the butter glossy the way it should be: a living broth, fierce and bright, nothing like those pale imitations you'll find inland.
TagsMedium
AllergensMollusksMilk
Source: generated · May 30, 2026