Hot and Sour Fish Soup

Name: Hot and Sour Fish Soup
Ingredients: 2 tablespoon oil; 8 cloves garlic, minced; 2 inch ginger, thinly sliced; 4 scallions, separate white and green parts, thinly sliced; 5-10 dried chili pepper; 5-10 Sichuan peppercorn; 2 carrots, peeled and cut into wedges; 15 gram dried wood ear fungus, soaked in warm water to rehydrate (*); 1 Chinese pickled mustard greens, rinse until water is clear, then chop into bite sizes; 1 tomato, cut into wedges; 8 cups water; 1/2 tablespoon salt (or to taste); 1/2 tablespoon sugar (or to taste); 1 teaspoon ground white pepper; 800 gram firm white fish fillet, cut into bite size slices; 1 block silken tofu, cubed; 2 stalks coriander leaves for garnish (optional)