Katz's Delicatessen is a famous Jewish deli located in New York City. It is known for its traditional Jewish comfort food, including pastrami sandwiches, matzo ball soup, and knishes. The deli has been a popular spot for locals and tourists alike since it first opened in 1888. Katz's is also famous for its large portions and bustling atmosphere, making it a must-visit destination for anyone looking to experience authentic Jewish cuisine in the heart of the Big Apple.