MIX 1 lb. ground beef, 1 can (12 fl oz / 341 mL) whole kernel corn and 1 cup each salsa and water in a large nonstick frying pan. Stir in 1-1/2 cups instant white rice. Bring to boil, stirring frequently. Cover and remove from heat; let stand 5 minutes. Add 1/2 cup grated Cheese; mix well.
CUT 1 each red, yellow and green bell pepper in half lengthwise. Remove and discard the seeds. Spoon burger mixture evenly into pepper halves; place in 13x9-inch baking dish. Pour 1/2 cup water into dish; cover with foil.
BAKE at 400°F for 30 minutes. Uncover; sprinkle with additional 1/2 cup cheese. Bake an additional 10 minutes.