It sounds like a novelty stunt, or a Primanti's knockoff--Belgian frites and fried merguez sausage and tons of sauce in a bun, served at Belgium native Pierre Vandamme's fries-and-waffles shop, Bruges. But it's a classic friterie sandwich called a "mitraillette," directly translated to "machine gun"--and a far more refined sandwich than the description lets on. More