INGREDIENTS
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1 lb. lean ground beef
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1/4 cup chopped onion
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1 cup tomato pasta sauce
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1 1/2 cups shredded mozzarella or Monterey Jack cheese
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1/2 cup sour cream
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1 can Pillsbury Refrigerated Crescent Dinner Rolls
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? cup grated Parmesan cheese
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2 tablespoons butter or margarine, melted