Staub round casserole dish. Three layers of enamel 5.2 l. has a classic and timeless appearance and will be a great addition to any type of kitchen. If quality and long durability are important to you, this cast iron casserole dish from Staub is a really good option. It works for a variety of uses and will cook your stews, sauces, and soups excellently. This model is also designed with three layers of enamel for extra durability.