HEAT oven to 400ºF.
COOK crumbles, corn and salsa in large nonstick skillet on medium 5 min. or until heated through, stirring frequently. Remove from heat. Stir in rice and 1/2 cup cheese; spoon into pepper halves.
PLACE in 13x9-inch baking dish. Pour water into bottom of dish; cover.
BAKE 30 min.; sprinkle with remaining cheese. Bake, uncovered, 10 min. or until cheese is melted.