Pork and tofu soup recipe

Ingredients

• 1 litre (4 cups) chicken stock (preferably homemade)
• 1 (6cm) piece dried kombu (see note)
• 700 gm coarsely minced pork
• 2 garlic cloves, finely chopped
• 3 coriander roots, cleaned and finely chopped
• 2 broccolini stalks, florets only (reserve stalks for another use)
• 100 gm fresh shiitake mushrooms, sliced
• 100 gm fresh black fungus, torn
• Sesame oil and light soy sauce, to season
• 600 gm silken tofu, cut into cubes, at room temperature
• Roasted sesame seeds, to serve