The biggest seller has nothing to do with waffles.Credit: Brandon Bell / Staff / Getty ImagesWhen you’re craving breakfast, no matter what time of day, Waffle House is the place to go. The Southern staple is open 24 hours a day, 7 days a week. And luckily for you, you can dine locally or on the roadside when you’re looking for a yummy fix. If you’ve yet to eat at a Waffle House, you should fix that ASAP, because you’re missing out on some of the…