Rinse lentil beans.
Soak the soy bits, shiitake mushrooms, and lentil beans in the water and leave it for 20 minutes.
Finely chop aromatics: Onion, garlic, ginger, green onions.
Once the shiitake mushroom is soft enough, finely chop shiitake mushrooms and optional cabbage leaves.
Add all the ingredients in a pot and boil gently for 10 minutes.
Cut tofu into cubes and add it to the pot. Pour the sauce including chilli bean paste, ground flaxseed, soy sauce, and gochugaru.
Toast and grind the Sichuan peppercorn. Sprinkle Sichuan peppercorn. Taste and adjust seasoning with soy sauce as needed.
Garnish the dish with green onion tops.