The price of food in food stalls is relatively low, usually between a few yuan and a dozen yuan. Here are some cheap and delicious dishes that are common in food stalls:

1. Salted edamame: edamame is one of the common dishes in food stalls in summer. Salted edamame is a good appetizer because of its simple preparation and delicious taste.

2. Mala Tang: Mala Tang is a popular hot pot snack with rich materials, delicious taste and relatively affordable price.

3. Mutton kebabs: There are many kinds of mutton kebabs in food stalls, including beef kebabs, mutton kebabs, pork kebabs and vegetarian kebabs. It is both affordable and delicious.

4. Stir-fried rice noodles: Stir-fried rice noodles are a common Chinese snack with cheap price and delicious taste, which is very suitable for tasting in food stalls.

5. Fried dumplings: Fried dumplings are traditional snacks in China, which are delicious and affordable, and are one of the most popular dishes in food stalls.

To sum up, there are many cheap and delicious dishes to choose from in the food stalls, which can be selected according to personal tastes and preferences.