Wash the enoki mushrooms thoroughly and trim the bottom.
Slice the onion and green onion thinly.
Put gochujang in a bowl, add soy sauce, minced garlic, chili powder, oligosaccharide, and sesame oil to make the sauce.
Heat cooking oil in a pan and sauté the green onion to make green onion oil.
Add the onion and lightly stir-fry, then add the enoki mushrooms.
Add the sauce and stir-fry quickly over high heat.
Sprinkle sesame seeds to finish.