Yes, that’s corn on a hot dog. Listen, friends: if  you’re going to have a hot dog, you might as well have a Uruguayan one. Sure, it might just cost a buck or two, but… They’re amazing. Dramatic. Game changers. If this seems like a lot of responsibility for a hot dog, that’s because it is. The pancho’s success is not so much about the meat, though it’s true:  the “dog” is usually bigger and better than your average hot dog (it sticks out a good inch or two on either side of the bun). But when it comes down to it, the pancho is all about the toppings. At many pancho stands, you’ll find some combination of corn, melted cheese, relish, salsa, and especially “salsa golf,” which is a blend of mayo and ketchup.   You can eyeball the salsa golf: aim for half of each… and it’ll be pale pink. There’s not much of a recipe…. simply grill a batch of extra-long hot dogs, provide a small bowl of each topping, and let your guests …