Cut the green onion into large pieces, and chop the cabbage, king oyster mushroom, carrot, and Cheongyang chili pepper into appropriate sizes.

Baek-sundae Stir-fry
Make the famous Sillim-dong Baek-sundae stir-fry at home! It's great for housewarming parties with friends and pairs well with alcohol.
What You'll Need
Instructions
Slice the whole garlic, and cut the perilla leaves, loosening them so they don't clump together.
Soak the glass noodles and prepare the ingredients to stir-fry along with the noodles.
Mix the cho-gochujang, minced garlic, perilla seed powder, perilla oil, water, and doenjang to make the dipping sauce.
Heat cooking oil in a pan and stir-fry the sliced garlic until it looks fried.
Add the prepared green onion and stir-fry together.
Add the prepared sundae to the pan and stir-fry.
Add the vegetables (cabbage, carrot, king oyster mushroom) and stir-fry, adding a little water as needed.
Season with salt and sugar, and add more water to adjust the consistency.
Add the perilla seed powder, perilla oil, black pepper, soaked glass noodles, Cheongyang chili pepper, and perilla leaves, then finish stir-frying.