Preparation:

1. In the pot, boil the rice until cooked. Set aside. This makes plain rice soup.
2. In another pot, stir-fry garlic, peppercorns, and coriander root with some vegetable oil. Then, add preserved salty lettuce and onion. Stir-fry until it turns golden.
4. Add mushroom to the stir-fry mixture. Fry until mushroom until cooked. Adjust the Flavor with white soya sauce. If it becomes too dry, add some soup from the rice soup. Leave all ingredients in the soup until become boiled again.
5. Add celery to the soup when boiled. Leave some celery for garnishing.
6. When serving, pour the plain rice soup from step 1 to the mushroom mixture pot. The amount of rice soup and mushroom mixture is to be adjusted as desired. Garnish with celery.