HEAT oven to 400 degrees F. Mix crumbles, corn and salsa in large nonstick skillet. Cook 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 with foil.
BAKE 30 min.; sprinkle with remaining cheese. Bake, uncovered, 10 min. or until cheese is melted.
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