To Cook In a large pot, add the water and bring it to a boil. Add the dried anchovies. Boil for 20 mins.Remove the anchovies. Add the goji berries and the garlic into the boiling water.Add the spinach. When the soup starts boiling again, add the eggs and stir through. Season with white pepper and light soy sauce to taste.Turn the heat off. Ladle the soup into the serving bowls and serve hot.