Umami Soup

Name: Umami Soup
Prep time: 5 min
Cook time: 1 h 20 min
Total time: 1 h 20 min
Yield: 4 portions
Ingredients: 1000 g water; 300 g siu bak choy; 4 dried shiitake mushrooms; 8 dried Brazillian mushrooms; 150 g raw cashew nuts; 2 tbsp 3-booster powder; 10 g Chinese red dates; ½ tsp rock salt; 2 tbsp cold pressed sesame oil