Roughly 70 percent of his sales are Cheesy mac-n-rib, a sandwich of macaroni, pulled barbecue pork, caramelized onion and sharp cheddar.

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Lower-fat or fat-free products can be higher in sodium than their full-fat counterparts: An ounce of full-fat sharp cheddar cheese has less sodium than one ounce of fat-free cheddar.

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