In a mixing bowl, combine the mayonnaise and apple cider vinegar.
Mince the garlic and add it to the bowl along with the horseradish, Creole mustard, Worcestershire sauce, sugar, sea salt, and pepper.
Mix all the ingredients thoroughly until well combined.
Adjust the seasoning with chili flakes to your desired level of heat.
Refrigerate the sauce for at least an hour before serving to let the flavors meld.
