Phở 10 Lý Quốc Sư is a restaurant in Hanoi, Vietnam that specializes in pho, a traditional Vietnamese noodle soup. The restaurant is located on Ly Quoc Su Street, near the famous St. Joseph’s Church. The restaurant is known for its high-quality ingredients, rich broth, and variety of toppings. The restaurant offers a variety of pho dishes such as pho bo (beef), pho ga (chicken), and pho tai (rare beef). Customers can also customize their pho with herbs, lime, chili, and sauces. The restaurant is popular with locals and tourists alike, and there are often long lines during peak hours. The restaurant has a simple and cozy atmosphere with wooden tables and chairs and a large menu board on the wall. Pho 10 Ly Quoc Su is open from 6:30 am to 10:30 pm daily and only accepts cash.