Most Versatile Appliance Ever Made! Exclusive circle of heat heating element 1 Removable porcelain cookwell 3 Adjustable thermostat 5 Metal lid; self basting cover helps maintain moisture 4 18-quart capacity This is the Nesco Roaster that everyone remembers. The one that grandma had at home to cook the turkey at thanksgiving. It s also one of the most versatile cooking appliances available. The Nesco 4818-47 18-Quart Roaster Oven in Metallic Silver has all the outstanding features of our legendary 18-Quart standard model at a price that is hard to resist. for some, it s the primary kitchen oven, for others, it s a second oven for the family room, porch or cabin. It s portable so you can take it along for family outings.