Lemon Chicken Soup with mushroom

4 cups water 1 stick lemongrass , smashed and cut into 1-inch pieces 1 inch fresh galangal root , sliced in thin rounds (may sub. ginger root) 5 fresh lime[...]

1 1/2 cups chicken , shredded (you can also use turkey) 1 cup orzo pasta , cooked 1 1/2 cups onions , fine chopped 1 1/2 cups mushrooms , sliced (I like white[...]