Boiled pork slices are a traditional Sichuan delicacy. Intangible cultural heritage refers to "Chinese intangible cultural heritage", which is a cultural heritage with traditional cultural characteristics and value.

In the Beijing area, you can try many Sichuan Sichuan restaurants, some of which may provide authentic boiled pork slices, but whether it is an intangible cultural heritage item requires in-depth inquiry.

Here are some recommended restaurants: 1. Sichuan Restaurant Wangxiangyuan: Located at No. 16 B, Fucheng Road, Haidian District, Beijing, it provides authentic Sichuan cuisine, including traditional delicacies such as boiled pork slices.

2. Sichuan Restaurant Dashushan Renjia: Located in Zhongguancun Food City, No. 305, West Third Ring Road Middle Road, Haidian District, Beijing, it provides authentic Sichuan cuisine with authentic taste.

3. Sichuan Restaurant Sichuan Meizi: Located at No. 235 Wangfujing Street, Dongcheng District, Beijing, it provides high-quality Sichuan cuisine with good taste.

It should be noted that since the taste is spicy, it is recommended that you know the spiciness level when ordering and choose according to your own taste.