Sweet and Tangy Tartar Sauce

from Cook's Illustrated, Sept. 2008

This sauce can be refrigerated in an airtight container for up to 1 week.

3/4 cup mayonnaise
1/2 small shallot , minced (about 1 tablespoon)
2 tablespoons drained capers , minced
2 tablespoons sweet pickle relish
1 1/2 teaspoons white vinegar
1/2 teaspoon Worcestershire sauce
1/2 teaspoon ground black pepper

Mix all ingredients together in small bowl. Cover with plastic wrap and let stand to blend flavors, about 15 minutes. Stir again before serving.