The dining room in a heritage mansion circa 1920s is furnished in a retro style with a terrace and several private rooms. Unlike its two sisters, the original Fu focuses on home-style Shanghainese cooking, including some multi-step labour-intensive recipes. River fish is one of its strong suits, especially river eels prepared in a myriad of ways. Try also oil-blanched river shrimps that are bouncy in texture and loaded with umami.