Filete Enchocolatado (Beef in Chocolate Sauce

Yield:	6 Servings
Categories:	Mexican, Meats

1		2 lb piece beef tenderloin
		Salt, pepper
3	tb	Butter
1/2		Onion; finely chopped
2		Garlic cloves finely chopped
1/2	c	White wine
1	c	-Water
1	oz	Unsweetened chocolate
1/2	lb	Queso fresco; crumbled
2	tb	Chopped parsley