Recipe: Langoustine with Potato puree and Soured Cream

transun scandanavia recipe langoustine potato puree

Chef David Berggren from Aveqia restaurant in London has shared on the Transun website this langoustine with smoked potato puree and soured cream recipe which is ideal for the better weather.

We were asked to take on the challenge of recreating the recipe and then write about it.

If you decide to create the recipe use hashtag #TransunFoodie so we can take a peek at your progress.

transun scandanavia recipe langoustine potato puree
Langoustine, Potato Puree and Soured Cream


Recipe: Langoustine with Potato puree and Soured Cream


  • ingredients listed below


  1. Barigoule
  2. 50ml Olive Oil
  3. 1pcs Carrot
  4. 1pcs Brown Onion
  5. 3 Garlic cloves
  6. 2 Bay leaves
  7. 2 sprigs Thyme
  8. 1 tbsp Fennel seeds
  9. 100ml White wine
  10. 100ml White wine vinegar
  11. 200ml Water
  12. 1 Lemon (in halves)
  13. 5 Small parsley roots
  14. 300g Fennel
  15. Peel the carrot, onion and garlic and chop into smaller pieces. Fry them in the olive oil together with the bay leaves, fennel seeds and thyme for about 3 minutes. Add all the fluids and the halved lemon. Season with salt and pepper. Split the parsley root and fennel lengthwise. Simmer in the broth for 20-30 minutes, until soft. Allow to cool in the broth.
  16. Smoked potato puree
  17. 300g Potatoes
  18. 50g Butter
  19. 100g Crème fraiche
  20. Peel the potatoes and boil them gently in salted water until soft. Remove the water and pass the potatoes through a sieve. Add the butter with a spatula and add crème fraiche until you have achieved a smooth and creamy texture. Add salt to taste. Smoke according to instruction.
  21. Langoustine broth
  22. Shells from the langoustine
  23. 300 ml Barigoule liquid
  24. 5pc Red cherry tomatoes
  25. Roast the langoustine shells in the oven for approximately 5 min at 150°. Place in a saucepan with halved tomatoes and strain the Barigoule liquid into the pan. Bring to the boil and steep for 5 minutes. Strain into a clean saucepan. Add salt and pepper to taste.
  26. Champagne cream
  27. 200ml Double cream
  28. 2 tbsp White wine vinegar
  29. Mix vinegar and double cream, add salt and freshly ground black pepper to taste. Let steep for 5 minutes, then whisk lightly. Cool until serving.
  30. Other
  31. 10 Langoustines
  32. 100ml Panko
  33. 100g Butter
  34. 10cm Leek (the white part)
  35. 2 tbsp Leek ashes
  36. Shell the langoustines according to instruction, place in fridge. Slice the leek so all guests get one slice each, steam for 5 minutes. Warm leek with parsley root and fennel in the oven with some Barigoule liquid. Bread the backs of langoustines with panko, fry gently in browed butter on the back only. Remove tails from the raw shrimp. Garnish with leek ash over the top.
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transun scandanavia recipe langoustine potato puree
Langoustine, Potato Puree and Soured Cream

This dish is completly different from what we would normally cook, so looked forward to the challenge.  I was a bit scared with the amount of stages to be completed, again I tend to try and make quick and simple dishes.  However, the challenge was accepted.

Every step was simple, apart from smoking the potato, so in true lazy fashion – we skipped that! The leek ash was another new bit.  I’d never heard of this so a bit of googling and found this, which sorted that stage out.

Verdict? A lot of effort, but at the end you get a light summer meal which uses some delicious seafood.  I’d love to try the champagne cream with some salmon and dill.



Glasgow Foodie
Glasgow Foodie

Mrs Foodie aka Emma loves to snuggle with Fred and Cleo, sleep and read.

Can be found with gin or a pint in hand.

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