"This ultimate Philly cheesesteak recipe is a best-seller at Pat's King of Steaks Restaurant. Patrons praise its thinly cut beef and crusty Italian rolls. —Frank Olivieri, Philadelphia, Pennsylvania..."
INGREDIENTS
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1 large onion, sliced
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1/2 pound sliced fresh mushrooms, optional
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1 small green pepper, sliced, optional
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1 small sweet red pepper, sliced, optional
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6 tablespoons canola oil, divided
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1-1/2 pounds beef ribeye steaks, thinly sliced
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4 crusty Italian rolls, split
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Process cheese sauce
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Ketchup, optional