Yan' an is a prefecture-level city in Shaanxi Province, China, with rich food culture. The following are some delicious restaurants in Yan' an:

1. Yan' an Hotel Restaurant: Yan' an Hotel Restaurant is a restaurant that provides high-grade Cantonese cuisine and local specialties. The signature dishes include Yan' an roast duck, abalone and shark's fin.

2. Yan' an Grand Theatre Restaurant: Yan' an Grand Theatre Restaurant is a restaurant that provides high-end western food and local specialties. Its signature dishes include steak, pizza and Yan' an stir-fried meat.

3. Yan' an government canteen: Yan' an government canteen is a restaurant that provides home-cooked dishes and local specialties. Its signature dishes include Yan' an cold rice noodles, Chinese hamburger and mutton bread in soup.

4. Yan' an Snack Street: Yan' an Snack Street is located in the central street of Baota District, Yan' an City. It is a place where many special snacks and snack stalls are gathered. Here, you can taste all kinds of local snacks and delicious food, such as Yan 'an cold rice noodles, Chinese hamburger, mutton bread in soup and so on.

5. Yan' an Night Market: Yan' an Night Market is located in Qilipu, Baota District, Yan' an City. It is a place where many night market snacks and snack stalls are gathered. Here, you can taste all kinds of local special snacks and delicacies, such as Yan 'an hot pot, Yan 'an grilled fish and Yan 'an fried rice.

To sum up, there are many delicious restaurants and delicacies in Yan 'an. You can choose the restaurants and snack stalls that suit you according to your personal taste and budget.