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Preheat oven to 350°F.
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Cut the tops off the peppers and discard seeds and membranes.
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Boil peppers for 5 minutes. Remove and stand upright in a 13x9 casserole dish.
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Generously sprinkle inside of each pepper with salt (1/2 tsp or more if you like).
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Cook ground beef and onions until meat is browned.
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Season beef and onion mixture with remaining salt, pepper, garlic, and seasoned salt.
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Add tomatoes, water, rice, sugar, and Worcestershire sauce and stir.
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Cover and simmer until rice is tender (approximately 15-30 minutes).
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Stir in 1 cup shredded cheese.
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Stuff peppers with the meat and rice mixture.
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Bake uncovered for 20 minutes at 350°F.
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Top peppers with remaining cheese and bake and additional 5-10 minutes.