INGREDIENTS
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3 bell peppers, halved, seeded and ribs removed any color
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1 tablespoon olive oil
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1 yellow onion thinly sliced
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8 ounces mushrooms sliced
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1 pound steak such as flank, rib eye or sirloin very thinly sliced
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salt and pepper to taste
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12 slices provolone cheese
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1 tablespoon chopped parsley