To CookPour the water and stock into a large pot and boil over medium-high heat.Add the tomatoes to the soup and cook until they are tender.Carefully add the tofu to the soup so as not to break them.Once the soup comes to a boil again, quickly turn off the heat and slowly pour in the eggs into the soup. Make sure you continually stir the soup when adding the eggs.Season with salt and serve while hot.