Portobello "Risotto"

Yield:	6 Servings
Categories:

2	c	Orzo, uncooked
6	c	Stock (I used Chicken-flavored powdered vegetable broth from Fresh Fields), at least
1	pn	Saffron (optional)
2		Portobello mushrooms
1	c	Other mushrooms such as crimini, white (you can use only Portobellos but this gets expensive) (up to 2)
1		Onion, chopped
2	tb	Garlic, minced
		Salt, pepper to taste
		Fatfree Parmesan (optional)