Mutton offal is one of the traditional delicacies in Beijing. Due to the different production techniques and recipes of local mutton offal in Beijing, many places are called "the best mutton offal". The following are some well-received Beijing mutton offal shops:

1. Old Beijing Mutton Soup: Located at No.38, Gulou East Street, Dongcheng District, Beijing, it is an old-fashioned restaurant focusing on mutton offal soup. The mutton offal soup here is delicious, and the mutton and mutton offal are very clean, with no smell of smell and rich flavor.

2. snowballing usury: located in the north of Jishuitan Bridge, Xicheng District, Beijing, it is a restaurant that mainly focuses on donkey meat fire and mutton offal soup. The mutton offal soup here is delicious, the mutton and mutton offal are tender, and the matching fire is delicious.

3. Old Beijing instant-boiled mutton: Located at No.6/KLOC-0, South Third Ring Road West, Chaoyang District, Beijing, it is a restaurant mainly engaged in instant-boiled mutton and mutton offal soup. The mutton offal soup here is delicious, and the mutton and mutton offal are very clean, with no smell of smell and rich flavor.

4. Tripe Feng: Located at No.4 Nanlishi Road, Xicheng District, Beijing, it is an old-fashioned tripe mutton offal soup restaurant. The mutton offal soup here is delicious, the mutton and mutton offal are tender, and the fried belly is also delicious.

To sum up, there are many delicious mutton offal shops in Beijing, and different restaurants have different characteristics and tastes. I suggest you choose a restaurant that suits you according to your tastes and preferences.