INGREDIENTS
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6 tablespoons extra virgin olive oil, divided
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4 sweet Italian sausages
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2 onions, such as Vidalia, sliced 1/4" thick
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1 large bell pepper, sliced 1/4" thick
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4 ounces cremini or button mushrooms, sliced 1/4" thick
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4 ciabatta rolls
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4 ounces Wisconsin Asiago cheese, grated
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8 1/8" thick slices Wisconsin Fresh Mozzarella
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White or black truffle oil, optional
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1 cup jarred, roasted red pepper strips