INGREDIENTS
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1 1/4 pound boneless beef round steak (1/2-3/4 inch thick)
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1 (8 oz) pkg sliced fresh mushrooms
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1 large onion, sliced, separated into rings
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1 can condensed French onion soup
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1 (6 oz) pkg herb stuffing mix
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1/4 cup margarine or butter, melted
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4 oz (1 cup) shredded mozzarella cheese