Wash the bean sprouts and place them in a colander.

Prepare the thinly sliced pork belly.

Prepare rice cakes if desired.

Layer the bean sprouts at the bottom of a pot, then add chopped onion and perilla leaves.

Place the pork belly slices on top of the vegetables.

Add the seasoning mixture: 2 tbsp gochujang, 2 tbsp red pepper powder, 2 tbsp soy sauce, 2 tbsp sugar, and 1 tbsp minced garlic.

Cook over medium heat until the bean sprouts wilt and the pork is fully cooked.