Mary Tudor, for whom this concoction was named, ruled over England and Ireland during the Sixteenth Century, re-establishing Catholicism and permitting rampant persecution. Much could be made of the cocktail's namesake, and, with a bit of effort, much can be made of the tomato-based cocktail itself. So why do we so often find generic product wearing this historically provocative moniker? If we wanted a routine drink, we'd order a screwdriver. We want a work of art. The folks at the Delano aspire to mastery. The recipe, which has been in the house for some time, calls for just-right amounts of topnotch ingredients: Meaty tomato juice supports horseradish, celery salt, and black pepper, and is properly garnished with a celery-stalk swizzle. It's hot stuff, likely to spur a slight cough and bring moisture to the eyes. But salvation always requires a bit of suffering.