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Centolla gratinada

Centolla gratinada: Ushuaia king crab baked in a creamy sauce under a golden cheese crust

Centolla, the southern king crab hauled from the cold waters of the Beagle Channel, is Ushuaia's pride, and seafood restaurants along the harbour serve it gratinada: sweet chunks of leg meat in a light white sauce, crowned with cheese and browned under a fierce grill. It is rich, so serve it in small dishes as a starter with lemon and a green salad, plus crusty bread for anyone who can eat gluten. Buy cooked, frozen king crab legs or meat and thaw them in the fridge overnight; if you ever cook crab yourself, it must be alive when it goes into the pot. A frequent mistake is a sauce so thick and cheesy that the delicate crab disappears; keep it pourable and the cheese thin. Chef's tip: fold the crab in gently at the end, in big pieces, and let the oven only heat it; it is already cooked and turns stringy if it boils.
Total time
45 min
Difficulty
medium
Serves
4
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Ingredients

Serves4

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What you'll need

Fresh ingredients (6)

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Method

0/8 done
  1. Step 1: Heat the oven grill to high, or the oven to 450°F. Butter 4 small gratin dishes or cleaned crab shells with a little of ¼ oz butter.

  2. Step 2: Melt the rest of 1 ¼ oz butter in a saucepan over a medium-low heat and soften 1 shallot without colouring it.

    4 min
  3. Step 3: Whisk 2 tbsp cornstarch into 1 ½ cups whole milk until smooth, pour it into the pan and whisk over a medium heat until the sauce thickens and coats the back of a spoon.

    5 min
  4. Step 4: Stir in ½ cup double cream, ¼ tsp ground nutmeg, ½ tsp salt, ¼ tsp white pepper and a squeeze of ½ lemon juice and simmer for 2 minutes. The sauce should still pour slowly.

    2 min
  5. Step 5: Take the pan off the heat and fold in 16 oz cooked king crab meat gently, keeping the pieces whole.

  6. Step 6: Spoon into the dishes, scatter 2 ⅛ oz hard grating cheese over the top and set them on a baking tray.

  7. Step 7: Bake or grill until the top is golden and blistered and the sauce bubbles at the edges; the centre should be piping hot (167°F).

    10 min
  8. Step 8: Rest for 2 minutes, then scatter with 1 tbsp chives if using and serve with the remaining ½ lemon wedges.

Nutrition per serving

Calories
360 kcal
Protein
27 g
Carbs
11 g
Fat
23 g
Fibre
0 g

Nutrition values are estimates.

K
Recipe by

KrazyBadal

All recipes by this chef →

Good to know

How long does centolla gratinada take?
About 45 minutes in total: 20 minutes to prepare and 25 minutes to cook.
How many people does it serve?
4 as written. Change the servings above the ingredients and every amount scales to match.
Is it gluten free?
Yes, as written. Check the labels on stock, sauces and spice mixes, which sometimes contain gluten.
What can I use instead of butter?
The same weight of ghee or coconut oil (for frying and most baking).
What can I use instead of shallot?
Half an onion per 2 shallots.

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