Salted Egg Yolk Custard Bun, also known as Liu Sha Bao, is a popular dessert in Guangzhou. It is a steamed bun filled with a creamy and sweet custard made from salted egg yolks. The combination of the soft and fluffy bun with the rich and gooey custard creates a delightful taste and texture. The buns are often served hot, allowing the custard to melt in your mouth. It is a must-try for those with a sweet tooth.