The pink-colored yen ta fo is a Thai soup consisting of various types of noodles served in a hearty chicken or pork broth seasoned with the pungent, fermented red bean curd. Each bowl of this flavor-packed soup is topped with various condiments such as fish balls, squid, shrimps, fried tofu, and the leafy water morning glory.

Typically served in traditional Thai restaurants and sold at numerous street stalls, yen ta fo is popular throughout the country and is usually enjoyed as a filling main course.