I made these dumplings using kimchi, leek, bean sprouts, sesame oil and minced garlic. I used a pre-made wrapper. Because the kimchi contains fish sauce, these are not vegetarian. If you make your own kimchi without, and ensure the wrappers don’t contain egg, it could be easily made vegan.
I then fried them in a bit of oil on one side with the lid on, before turning them, adding a bit of water, putting on the lid, and cooking them until they were brown on the other side as well.