adapted from: http://www.rachaelraymag.com/recipes/rachael-ray-magazine-recipe-search/dinner-recipes/unstuffed-peppers
1 bag instant brown rice (I found this mix at Costco), cooked according to directions
1 1/2 pounds Italian sausage
2 bell peppers, diced
1 (10oz) white button mushrooms, sliced
1 small red onion, diced
Brown sausage with peppers, onion, and mushrooms in 2T butter. Add cooked rice; stir. Cover and let rest for about 25minutes. Sprinkle with Parmesan cheese.