Scald the Mu-Err mushrooms with boiling water and let them steep for about 30 minutes. Then cut into fine strips.
In the meantime, heat the sesame oil in a pan or wok and briefly fry the tofu cubes, remove and set aside. Then steam the carrot and white cabbage strips in it until firm to the bite, deglaze with a little hot vegetable stock, add the pineapple cubes and mushroom strips and season well with lemon juice, salt and chili paste.
Eight tomatoes, remove the seeds and put 4 pieces per person in a soup bowl. Bring the vegetable stock to the boil again, add everything and pour over the tomatoes as hot as possible.