Chongqing-style Spicy Beef is a Chinese dish originating from the Sichuan province. It consists of thinly sliced beef that is stir-fried with vegetables such as onions, celery, and green onions, and seasoned with Sichuan peppercorns, chili oil, and soy sauce. The dish is known for its fiery and numbing flavors and is often served with rice or noodles.