Rinse the dried kelp under cold water to remove any dirt or impurities.
Place the dried kelp in a bowl and cover it with cold water. Allow it to soak for about 20-30 minutes until it becomes soft and pliable.
Once rehydrated, gently squeeze out excess water and slice the kelp into thin strips. Set aside.
If using dried shrimp or dried scallops, rinse them under cold water to remove any salt or debris.
Place the dried shrimp or scallops in a bowl and cover them with water. Let them soak for about 15-20 minutes until they become tender.
Once softened, drain the water and finely chop the shrimp or scallops. Set aside.
In a large stockpot, bring the chicken or vegetable broth to a gentle simmer over medium heat.
Add the sliced ginger and minced garlic to the broth. Allow them to infuse their flavors for about 5 minutes.
Add the rehydrated kelp strips and the chopped dried shrimp or scallops to the simmering broth.
Let the soup simmer for an additional 10-15 minutes to allow the flavors to meld and the seaweed to release its natural umami essence.
Add the sliced mushrooms, cubed tofu, and dried red dates to the soup. These ingredients will contribute diverse textures and flavors to the dish.
Continue to simmer the soup for another 10-15 minutes until the mushrooms are tender and the tofu is heated through.
Stir in the soy sauce to add savory depth to the soup. Adjust the amount according to your taste preferences. Sprinkle in the white pepper to provide a subtle hint of spiciness. Drizzle the sesame oil into the soup to enhance its aroma and flavor.
Allow the soup to simmer gently for a final 5-10 minutes, ensuring all the ingredients are fully heated and well combined. Taste the soup and adjust the seasoning if needed by adding more soy sauce or white pepper.