The warming qualities of ginger can help heat you from the inside-out, making it an ideal ingredient for immune-support foods.
Combine the broth, onion, ginger, garlic, mushrooms and simmer for 15 to 20 minutes. Remove from the heat and add lemon juice, carrot, parsley and lemongrass if using. Put cover on pan and steam for 5 minutes. Remove lemongrass before serving; eat up to 4 times a day.