Galician mussels in cider vinaigrette

Ingredients

• 1 kgfresh mussels
• 1/4green pepper
• 1/4red pepper
• 1/2red onion or spring onion
• 50 mlcider vinegar or another mild vinegar, such as apple cider vinegar
• 100 mlextra-virgin olive oil
• to tastesalt
• to taste, optionalfresh parsley, to garnish

Instructions

1. 1

   Mix the vinaigrette

   Finely chop the peppers and onion and sprinkle them with a little salt. Add the vinegar and oil, stir, then cover with cling film and leave to macerate until needed.

2. 2

   Clean the mussels

   Scrape the shells with a knife to remove dirt and any attached growth.

3. 3

   Steam the mussels

   Put the mussels in a pot with half a glass of water and cover. Heat until the water comes to the boil and the shells open, then take the pot off the heat and drain the mussels.

4. 4

   Trim the mussels

   Once the mussels are cool enough to handle, finish opening them, leaving the meat attached to one half of each shell. Use scissors to snip off the beards attached to the meat.

5. 5

   Discard closed mussels

   Discard any mussels that did not open during cooking.

6. 6

   Add the vinaigrette

   Arrange the mussels on a serving platter and cover them with the vinaigrette.

7. 7

   Garnish with parsley

   Sprinkle with very finely chopped fresh parsley, if using.

8. 8

   Serve or chill

   Serve straight away or refrigerate until ready to serve.

What are Galician mussels in cider vinaigrette?

This Galician-style marisco dish pairs steamed mussels with a vinegar-and-oil dressing. Mussels are a familiar part of the seafood cooking of Galicia, Spain’s north-western coastal region.

Here, sweet mussel meat is balanced by the sharpness of cider vinegar and the crunch of finely chopped peppers and onion. The vinaigrette can macerate while you clean and cook the mussels.

Nutrition and macros by portion

The nutrition label shows one serving as written: 300 calories, 12g protein, 5g carbs, 25g fat.

The olive oil contributes most of the fat and energy, while the mussels provide most of the protein. The peppers and onion add a modest amount of carbohydrate. Serve with salad or vegetables for a balanced plate, or add potatoes or bread if you want a more substantial meal.

Build the vinaigrette

Chop finely: small, even pieces of pepper and onion distribute easily over the mussels and give each bite a little crunch.

Let it rest: macerating the vegetables in the vinegar and oil softens their raw edge and brings the dressing together. Cider vinegar suits the dish, but another mild vinegar works too.

Clean the mussels well

Scrape the shells: use a knife to remove dirt and attached growth before cooking. Rinse away any loosened debris.

Trim the beards: after cooking, snip off the fibres attached to the mussel meat with scissors. Let the mussels cool enough to handle first.

Know when they are cooked

Watch the shells: heat the mussels, covered, until the water boils and the shells open. Take them off the heat at that point.

Discard closed ones: any mussel that remains shut after cooking should be thrown away. Avoid leaving the pot on the heat longer than needed once the mussels have opened.

Prepare them for serving

Keep one shell: open each mussel fully, removing the empty half and leaving the meat in the other half. This makes the mussels easy to arrange and eat.

Spoon over the dressing: cover the mussels with the vinaigrette so the chopped vegetables are spread across the platter. Add parsley just before serving for a fresh finish.

Serve as a seafood starter

Serve the mussels as a starter or as part of a spread of seafood dishes. Crusty bread is useful for soaking up any vinaigrette left on the platter.

For a fuller meal, add a green salad or boiled potatoes. Keep the mussels chilled if you are not serving them immediately.

Recipe notes & tips

• Make the vinaigrette first so it has time to macerate while you prepare the mussels.
• Scrape the shells carefully before cooking to remove attached dirt and growth.
• Use scissors to trim the mussel beards neatly once the shells have cooled enough to handle.
• Stop cooking when the shells open, then discard any that remain closed.
• Chop the parsley very finely so it settles evenly over the mussels.

Variations

• Use spring onion: swap it for the red onion for a gentler, fresher flavour.
• Try apple cider vinegar: use it in place of cider vinegar for a similarly mild acidity.
• Add a little chilli: finely chop a small amount into the dressing for a gentle heat.
• Serve with potatoes: add boiled potatoes on the side to make the dish more filling.
• Add citrus: finish with a little lemon juice for a brighter, tangier dressing.

Common mistakes to avoid

• Leaving grit on the shells: scrape them with a knife and rinse off loosened debris before cooking.
• Overcooking the mussels: remove the pot from the heat once the shells open.
• Keeping closed mussels: discard any that have not opened during cooking.
• Chopping the vegetables too coarsely: cut them finely so they sit neatly on the mussels.
• Pouring on the dressing too early: wait until the mussels are arranged on the platter so the vinaigrette is easier to distribute.

How to store

Refrigerate leftovers promptly in a covered container and eat within 1–2 days. Keep them chilled until serving; if reheating, warm gently and avoid prolonged heating, which can toughen the mussels.

Frequently asked questions