To make the soup:
1. Bring the dashi stock to the boil, add the soy sauce, mirin and salt.
2. Add the leek, Chinese cabbage, shiitake mushrooms, carrot and daikon, simmer for 5mins until the vegetables are cooked.
3. Add the beef to the soup, cook until browned.
4. Add the cooked shirataki noodles to the soup and re-heat. Serve in a soup bowl, garnish with watercress and shichimi.
The recipe is supplied by