1. Prepare ingredients, soak shiitake mushrooms in water, peel chestnuts, mix seasonings (except sesame oil) and set aside
2. Heat the pan, add oil and sauté ginger slices, add chestnuts and shiitake mushrooms, stir fry evenly
3. Pour the mixed seasonings into the pot, add about 2 bowls of water
4. Cover, cook on low heat for more than 30 minutes
5. When all the ingredients are fully cooked, add the sesame oil
6. Order lettuce, cook for about 1 minute, turn off the heat and serve
