Relish trays have graduated from Grandma’s go-to appetizer to a modern crowd-pleaser. Unlike charcuterie boards, which spotlight cured meats, relish trays lean into crisp produce for a lighter spread.

Sweet pickle relish is pivotal to making my tuna salad, salmon salad, topping a hot dog or a hamburger, or making my Thousand Island dressing or tartar sauce. If you believe that "pivotal" seems too ...