What Makes It Great: The old-school deli-shop flavors of pumpernickel, pastrami, horseradish, and whole-grain mustard are irresistible–in a package much lighter than a full deli pileup. Ingredients 1 1/2 cups thinly sliced peeled English cucumber 1 tablespoon whole-grain Dijon mustard 1 tablespoon cider vinegar 1/2 teaspoon prepared horseradish 1/4 teaspoon salt, divided 3/8 teaspoon freshly […]