Spicy is actually a general term for Korean cold salad, which is a side dish when eating cold noodles. Because eating cold noodles is inseparable from spicy dishes, it is also called cold noodles, which is developed from traditional Korean spicy dishes.
Koreans used to have only a few kinds of spicy pickles (also called Beijing pickles), and the cold noodles were mainly spicy and mixed, with more than 50 kinds. Common vegetables, meat and seafood can be eaten, and the basic taste is one: spicy.
Spicy food is especially famous in Northeast China. As famous as Korean cold noodles, its main feature is appetizing and refreshing. Some are sweet, some are salty and some are spicy.
Spicy dishes are widely used, such as dried bean curd, platycodon grandiflorum, beef and pork. Authentic spicy dishes are actually not spicy, but are processed with special Chili oil.
Authentic spicy restaurants are mainly in Heilongjiang, especially the small town of Jixi. In summer, Jixi people can't help eating spicy food in cold noodle restaurants. Among them, Dongyuan cold noodles are especially authentic. It is said that there are two in Jixi, which were taught by the same Korean old lady, using fresh ingredients and eating on the same day. It tastes extremely delicious. Almost everyone who comes back from a long trip will buy some spicy dishes.