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1
In large skillet, cook the sausage, beef, onion, mushrooms and green pepper over medium heat until meat is no longer pink; drain.
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2
Stir in the water, tomato paste, parmesan cheese, salt, oregano, garlic and rosemary.
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3
Bring to a boil.
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4
Reduce heat; simmer, uncovered for 5 minutes or until thickened.
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5
Meanwhile, cut top third off loaf of bread; carefully hollow out bottom, leaving a 1/2 inch shell (discard removed bread).
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6
Line bottomhalf with three mozzarella cheese slices; top with sausage mixture and remaining cheese.
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7
Replace bread top.
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8
Wrap sandwich loaf in foil.
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9
Bake at 400 degrees for 15-20 minutes or until cheese is melted.
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10
Let stand for 5 minutes before slicing.