01 - In a medium bowl, whisk together the mayonnaise, Dijon and Creole mustards, horseradish, lemon juice, hot sauce, Worcestershire sauce, smoked paprika, cayenne, salt, and black pepper until completely smooth and well incorporated.
02 - Add the celery, scallions, parsley, tarragon, cornichons, and capers to the sauce mixture. Stir thoroughly until all ingredients are evenly distributed throughout the base.
03 - Gently fold in the lump crab meat using a spatula, taking care to maintain the integrity of the crab pieces and avoid breaking them apart excessively.
04 - Cover the bowl and refrigerate for at least 30 minutes to allow the flavors to develop and meld together thoroughly before serving.
05 - Serve chilled as a dip with crackers or vegetables, as a topping for seafood dishes, or as a sandwich spread.