preheat a medium sauce pan medium heat

combine the water, Mushrooms, and Onion in the hot pan. Cook for about 3 minutes, stirring constantly, until the onion is translucent

Sir in the garlic and orzo to combine thoroughly, then stir in 1/2 Cup of broth, season with a fag of salt and pepper. continue to cook, stirring in the remaining stock a little at a time until pasta is done, about 12 minutes

remove from heat and cover to keep warm until ready to serve. Stir in the Parmesan Cheese and parsley