Question: Pat LaFrieda Meat Purveyors is a third generation meat wholesaler, responsible for the famous “Black Label Burger” at Minetta Tavern, as well as other signature custom blends at  restaurants such as Shake Shack, an American fast casual restaurant chain based where?
Sentence (from "Shake Shack"): Shake Shack () is an American fast casual restaurant chain based in New York City.
Relevant evidence: Yes