A round or oval pan with steep sides, which ranges in size from 2 quarts to 12 quarts. The casserole pan can be found made from many different materials. It is available made from the same high quality materials as a saucepan or you may find it made from glass, ceramic or earthenware. It may have a cover but many times the cover is not used when cooking the food in a casserole. Depending on the material it is made from, it may be used on the stove top but is generally used in the oven. It is used for cooking one-dish meals and the meal is served at the table in the casserole pan.