IF YOU'RE FEELING SASSY, YOU CAN ADD ANY OR ALL OF THE FOLLOWING TO
1 tablespoon prepared or grated fresh horseradish ½ teaspoon hot or smoked paprika
2 teaspoons whole-grain mustard
4 anchovy fillets, finely chopped
½ cup finely chopped fresh herbs, such as tarragon, dill, and/or parsley 4 cornichons, finely chopped