Broiled Crawfish with Horseradish Cocktail Sauce

Preparation

1. For sauce:

   Step 1

   Whisk first 4 ingredients and 3 teaspoons horseradish in medium bowl to blend. Season to taste with freshly ground black pepper and more horseradish, if desired. Transfer to small bowl. DO AHEAD: Sauce can be made 1 day ahead. Cover and chill.

2. For crawfish;

   Step 2

   Combine first 7 ingredients in 10-to 12-quart large pot. Add 4 quarts water and 2 tablespoons salt. Bring to boil over high heat, stirring until salt dissolves. Boil 5 minutes. Add crawfish and boil 5 minutes. Remove from heat. Add ice cubes to pot to stop cooking. Let crawfish sit in cooking liquid 15 minutes.

   Step 3

   Using slotted spoon, transfer all crawfish to large bowl. Reserve 10 whole crawfish for garnish. Working with remaining crawfish 1 at a time, hold head and body with 1 hand and twist off tail portion with opposite hand. Discard head portion. Peel shell off tail and clean tail. Place tail in medium bowl. DO AHEAD: Can be made 8 hours ahead. Cover and chill tails and reserved 10 crawfish.

   Step 4

   Divide cleaned crawfish evenly among 10 dishes. Garnish with whole crawfish.

   Step 5

   Serve crawfish with cocktail sauce and lemon wedges.