In a small bowl, combine 3/4 cup mayonnaise, 3 tablespoons finely minced dill pickles, 1 tablespoon finely minced capers, 1 tablespoon finely minced green onions, 1 teaspoon finely minced lemon zest, 1/4 teaspoon kosher salt and 1/4 teaspoon freshly ground pepper. Cover and refrigerate.