Tender pasta covered in a zesty vegan FieldBurger chili sauce made using tomato cayenne chao slices. Vegan. Chao down on this spicy mac. A southern favorite with zesty chili made with Field Roast brand FieldBurger and pinto beans simmered in a creamy sauce made from tomato cayenne chao slices. Simply made, spicy good! www.fieldroast.com. Give us a call 800-311-9497. Find Chao Slices in your grocer's refrigerator set.