Soak wood ear mushrooms, lily flowers (optional), and the mandarin peel for 30 minutes to 1 hour. After soaking they should fluff up. Give them a rinse. Slice the mushroom and flowers thinly. Make sure to slice the mandarin peel very thinly!
Slice the tofu in strips. Set aside.
In a large pot, boil 5 cups of water on medium-high heat. Once the water is boiling, add the wood ear mushrooms, lily flowers, mandarin peel, tofu, and bamboo shoots. Cook for 5 minutes.
While the soup is cooking, beat two eggs and set aside. Make corn starch slurry by mixing 2 tablespoons of corn starch with ¼ cup water and set aside.
Start adding flavor to the soup. Add ⅓ cup low sodium soy sauce, 2 tablespoon dark soy sauce, 1.5 tablespoon mushroom bouillon, 1 tablespoon sugar, 1.5 tablespoon siracha hot sauce, 1 teaspoon white pepper, ½ cup white vinegar, and 2 tablespoons sesame oil. Mix everything together and cook for 3-5 minutes. Mix cornstarch slurry and slowly add in the soup. Continue to stir while adding.
Add beaten eggs to the soup and continue to stir while adding. Serve while hot. Hope you enjoy!