Another recipe I copied but have not tried
GALATOIRE'S REMOULADE BLANC
* 1 cup mayonnaise
* 2 tablespoons Creole mustard
* 2 tablespoons dry white wine
* 1 1⁄2 tablespoon fresh lemon juice
* 1 tablespoon grated horseradish
* 2 teaspoons minced parsley, plus more
* 1⁄4 teaspoon cayenne
* 1⁄4 teaspoon freshly ground white pepper
* 4 scallions, minced
* Kosher salt, to taste
* 2 lb. medium cooked shrimp, peeled and deveined, tails removed, chilled
* 1⁄2 head iceberg lettuce, thinly sliced
Stir mayonnaise, mustard, wine, juice, horseradish, parsley, cayenne, pepper, scallions, and salt in a bowl; stir in shrimp. Divide lettuce between plates; top with shrimp and garnish with parsley.