1In 8- or 9-inch square microwavable dish, place peppers, cut sides down. Cover dish with plastic wrap, folding back one edge or corner 1/4 inch to vent steam. Microwave on High about 4 minutes or until tender.
2Meanwhile, in 1-quart saucepan, heat water to boiling over high heat. Stir in rice, broccoli and onion; reduce heat to low. Cover; simmer about 10 minutes or until water is absorbed. Stir in beans and salsa.
3Spoon hot rice mixture into pepper halves. Place filled sides up in microwavable dish. Sprinkle each pepper half with 1 tablespoon of the cheese. Cover dish with plastic wrap, folding back one edge or corner 1/4 inch to vent steam. Microwave on High about 1 minute or until cheese is melted. Sprinkle with cilantro. Let stand 1 to 2 minutes before serving.