That’s the thinking at Wattana Panich. Including soup. The Wattana Panich restaurant in Ekkamai area, Thailand is famous for the over 45-year-old beef noodle soup that imprints on Thai cuisine. Wattana Panich in Bangkok preserves broth left over at the end of the day and uses it in next day's soup, reports Great Big Story. Wattana Panich, Bangkok Picture: Beef balls soup - Check out Tripadvisor members' 50,366 candid photos and videos of Wattana Panich Wattana Panich: Beef noodle soup and Bull penis soup - See 104 traveler reviews, 186 candid photos, and great deals for Bangkok, Thailand, at Tripadvisor. Some things get better with age. See review: StreetsideBangkok There’s food that’s old.There’s food that has gone bad.And then there’s soup that has been simmering for 45 years. Wattana Panich restaurant in central Bangkok is known for its rich beef soup that is more than 40 years old. Some things get better with age. But Wattana Panich in Bangkok cooks by a different set of rules. Including soup. In Bangkok, customers can’t get enough of the latter at Wattana Panich, a noodle soup joint in the trendy Ekkamai neighborhood, where third-generation owner Nattapong Kaweeantawong wants to clear up what he thinks is a popular misconception about his beef soup. Wattana Panich 13.734112, 100.587602 Well known among locals and the more experienced expats in the Ekamai area, Wattana Panich dish up some absolutely fantastic soups and stews. (Photo: Pichayada Promchertchoo) B ANGKOK: A giant pot is brimming with beef – a melt-in-your-mouth selection of cuts that have been stewed for more than 8 hours, with fresh coriander roots and a bag of secret ingredients.