Corning Ware “Shadow Iris” (A-21-B) Lasagna Open Roaster Baking Dish (12.25″ x 1.5″ x 2.5″) Review August 17, 2018 No Comments this is a Corning Ware lasagna baking dish. It is done in the Shadow Iris pattern. It is numbered A-21-B. it measures 12.25″ x 10.5″ x 2.5″. Other Products Chasseur 1 Quart Enamel Cast-Iron Rectangular Dish... Now Designs Modglass Retro Glass Bakeware, Set of ... Chasseur 3.25-quart Red French Enameled Cast Iron ... Temp-tations 3 qt Bowl w/Stoneware Lid, Scallop ... Tags: Bakers, Bakeware, CorningWare, Home & Kitchen, Kitchen & Dining