Asian Salad Chicken Soup (Mf)

Yield:	4 Servings
Categories:	Chicken, Asian, Soups

2	c	Chicken stock or veal or fish or vegetable stock
2	c	Water
2	tb	Soy sauce
4	c	Mushrooms, wiped clean, trimmed and thinly sliced
2	sl	(nickel-size) fresh ginger
1/4	ts	Dried red pepper flakes
2	tb	Oriental sesame oil
2	tb	Vegetable oil
2	tb	Rice vinegar
3	c	Bean sprouts
4		Scallions, thinly sliced
1	bn	Watercress, rinsed and stemmed
		Salt and freshly ground black pepper
1	lb	Skinless boneless chicken breasts, diced into 2 inch cubes
2	tb	Black sesame seed, optional, or toasted white sesame seed