There are many service areas and nearby towns on the Kunming-Baoshan Expressway, and the catering level and taste in different places are different. I suggest that you choose restaurants according to the places you pass. The following are some restaurants with good reputation:

1. Lin's beef noodles: Lin's beef noodles near Malone toll station have a very good reputation, featuring fresh, sweet and smooth meat and good soup. If you are driving near Malone Toll Station, you can consider trying it here.

2. Luxi local chicken village: Luxi local chicken village is a catering brand, mainly serving local chicken, and it tastes very good. If you are driving in luxi county, you can choose here.

3. Fish with Chinese sauerkraut in Kannonji: There is a fish shop with Chinese sauerkraut in Kannonji service area, which has a good reputation and relatively affordable price. If you are driving in the service area, you can experience it.

the above are some suggestions for reference only. Have a nice trip!