"I learned that Raoul’s pioneered the restricted, bar‑only template more than a decade ago with its Burger Au Poivre: Karim Raoul says they started by making 12 because 'there are a dozen buns in a pack,' and after the late Josh Ozersky declared it the best burger in America and lines began forming, they kept the limit to avoid becoming a burger restaurant ('Let’s just limit it to this or we’ll become a burger restaurant')." - Mark Byrne