We also eat this in my hometown. It's cheap, and it tastes a little exciting. We can eat it raw or cooked. We also like to make noodle soup with it. It tastes very good. The Central Plains is more common, and there are more people eating. People in the south and north seldom eat it, and some people don't even know about it.
By the way, he has another purpose. When bitten by mosquitoes in summer, take some leaves of Schizonepeta tenuifolia and rub them at the bitten place to relieve itching and pain. My mother taught me this when I was a child!