Rollmops (Pickled Herring Rolls with Gherkins and Onion)

Cold, sharp and distinctly savoury, rollmops are a traditional German-style pickled herring snack made by rolling fillets around crisp gherkin and onion, then resting them in a seasoned vinegar brine. The fish stays silky and salty while the vegetables add crunch, sweetness and acidity, with bay leaves and peppercorns giving the brine a clean aromatic edge. Served straight from the fridge, they work well as a small plate, a bar snack or part of a spread with bread, potatoes or other pickles. The key is keeping the rolls fully submerged and allowing enough chilling time for the flavours to settle.
Cuisine style German cold pickled fish
Cooking style Make-ahead friendly • No-cook preparation • Minimal cleanup
Time commitment Make-ahead friendly

Why this recipe works

  • Clean, sharp balance: Vinegar, salt and a little sugar create a brine that brightens the rich, oily character of herring.
  • Crisp centre: Gherkins and onion add crunch inside the soft fish rolls, giving each bite a clear contrast.
  • Improves as it chills: A few hours in the brine gives a bright pickle flavour, while an overnight rest produces a deeper cure.

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Timing notes

  • Chill before serving: Allow at least 3 hours in the brine so the rolls take on a clean, pickled flavour.
  • For a deeper cure: Chilling overnight gives the herring a more pronounced vinegar seasoning and firmer finish.
  • Serve cold: Keep the rollmops refrigerated and serve straight from the fridge with a little brine spooned over.

Ingredient notes

  • Choose ready-to-eat herring: Use herring fillets sold as ready-to-eat, especially when serving anyone who needs extra care around food safety.
  • Use wide fillets for neat rolls: Wider fillets are easier to roll tightly around the gherkin and onion and hold their shape better in the brine.
  • Vinegar choice changes the sharpness: White wine vinegar gives a rounded acidity; distilled white vinegar makes the brine sharper and more direct.

Common mistakes

  • Using warm brine: Let the brine cool completely before pouring it over the herring so the fish stays firm and clean-tasting.
  • Not keeping the rolls submerged: If the rollmops float, weigh them down lightly so every piece stays covered by the brine.
  • Leaving them out too long: Rollmops are best kept chilled and should not sit at room temperature for extended periods.

Serving ideas

  • Serve with rye bread: Dense rye bread works well with the salty, tangy fish and helps turn the rolls into a simple snack plate.
  • Add boiled potatoes: Plain boiled potatoes soften the acidity of the brine and make the dish feel more substantial.
  • Finish with extra onion: Spoon over a few chilled onion rings from the brine for extra crunch and sharpness.

Equipment you'll need

Ingredients
Instructions
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  1. Put the water, white wine vinegar, caster sugar, fine sea salt, bay leaves and black peppercorns in a small saucepan. Warm over medium heat, stirring just until the sugar and salt dissolve, then take off the heat. Tip into a bowl and leave to cool completely.
  2. Peel the yellow onion and slice it into thin rings. Slice the sweet gherkin pickles lengthways into long spears. Set aside.
  3. Lay the herring fillets flat and pat dry if they are very wet. Place a few onion rings and a gherkin spear at the wide end of each fillet, then roll up tightly. Nestle the rolls seam-side down in a non-reactive container so they fit snugly.
  4. Pour the cooled brine over the rolls, making sure they are fully submerged, and tuck in any remaining onion rings. Cover and chill for at least 3 hours for a bright, pickled flavour, or overnight for a deeper cure. Serve cold, with a little of the brine spooned over.

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Recipe notes

Tips

  • For neat rolls, choose the widest fillets and roll from the thicker end so they hold their shape.
  • If the rolls float, press them down with a small plate so they stay fully submerged in the brine.
  • Food safety: if you are pregnant, elderly, immunocompromised, or serving young children, use herring that is sold ready-to-eat and keep it properly chilled.

Substitutions

  • Replace white wine vinegar with distilled white vinegar for a sharper, more direct acidity.
  • Replace caster sugar with light brown sugar for a slightly rounder, caramel-like sweetness.

Storage

  • Refrigerate up to 3 days
  • Keep the rollmops submerged in the brine in a sealed container in the fridge. Serve straight from the fridge; do not leave at room temperature for long.

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Rollmops (Pickled Herring Rolls with Gherkins and Onion)
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Recipe overview

  • Servings: 1 servings
  • Total time: 3h 20min (25min active)
  • Difficulty: Easy
  • Cuisine: German
  • Allergens:
    Fish
Beginner friendly

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