1.？ Long wonton: It is a famous traditional snack in Chengdu, with thin stuffing, fresh soup and smooth taste. It has many branches in Chengdu.

2.？ Chen Mapo Tofu: It's an old-fashioned restaurant that mainly focuses on Sichuan cuisine. The specialty is Chen Mapo tofu, which is spicy and delicious, and it is very appetizing.

3.？ Lai Tangyuan is a traditional snack in Chengdu. Known for its thin skin and big stuffing, it is sweet and delicious, and it is one of Chengdu people's favorite breakfasts.

4.？ Jiaozi Zhong: It's a traditional snack in Chengdu. It is famous for its thin skin, tender stuffing and delicious soup. It is one of Chengdu people's favorite snacks.

5.？ Husband and wife lung slice: it is a traditional Sichuan dish in Chengdu. It is famous for its tender lung slices, spicy and delicious, and it is one of Chengdu people's favorite Sichuan dishes.

These are some time-honored restaurants with good reputation among Chengdu locals. I hope they can help you.