Ingredients

1 cup mayonnaise 

1/4 cup finely chopped cornichons, dill pickles, or dill pickle relish, drained 

2 tablespoons minced shallots 

2 tablespoons minced scallions, green parts only 

1 tablespoon finely chopped nonpareil capers 

1 tablespoon chopped fresh flat-leaf parsley 

2 teaspoons Creole mustard or other spicy whole-grain mustard 

1/2 teaspoon Louisiana hot sauce 

1/4 teaspoon cayenne pepper 

1/4 teaspoon dried tarragon, crushed 

Preparation

Mix all ingredients together in a small bowl until well combined. Refrigerate until ready to serve or in an airtight container up to 1 week.