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Ingredients
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Crab
Dijon Butter Sauce
Cocktail Sauce
To Serve
Method
Crab
Thaw & prep
If using frozen pre-cooked king crab legs, thaw overnight in the refrigerator or place sealed legs in cold water for 20–30 minutes until pliable. Rinse under cold water and pat dry.
Using kitchen shears or a sharp chef's knife, cut along the length of the underside of the crab leg shells to expose the meat. For serving presentation, you can leave the legs mostly intact but split the shell for easy extraction.
Bring a large pot of water to a boil (enough to submerge legs) and add 1 tsp coarse sea salt. Once boiling, reduce heat to a gentle simmer. Add crab legs and poach for 4–6 minutes to warm through if they are pre-cooked (fresh, raw legs will need longer; cook until opaque and internal temperature reaches 145°F/63°C). Remove and drain.
Garlic Butter (for brushing)
In a small saucepan over low heat, melt 4 Tbsp unsalted butter with 2 minced garlic cloves. Warm gently for 1–2 minutes until fragrant—do not brown. Stir in 1 tablespoon finely chopped parsley and the juice of half a lemon. Remove from heat and keep warm. Use this to brush the crab meat immediately after poaching and to serve alongside if desired.
Dijon Butter Sauce
In a small saucepan over low heat, melt 3 Tbsp unsalted butter. Whisk in 1 Tbsp Dijon mustard until smooth. Add 1 Tbsp fresh lemon juice and 1 tsp honey; whisk to combine. Taste and season with 1/4 tsp salt and 1/4 tsp black pepper. Stir in 1 tsp chopped chives if using. Keep warm on the lowest heat or transfer to a small warmed bowl for serving.
Cocktail Sauce
In a small bowl, combine 1/2 cup ketchup, 2 tsp prepared horseradish (start with less and add to taste), 1 Tbsp fresh lemon juice, 1/2 tsp Worcestershire sauce and 1/4 tsp hot sauce if using. Season with 1/8 tsp salt and mix until smooth. Chill briefly or serve at room temperature alongside the crab.
To Serve