Cast iron

Cast iron

Cast iron is derived from pig iron, and while it usually refers to gray iron, it also identifies a large group of ferrous alloys which solidify with a eutectic. The color of a fractured surface can be used to identify an alloy. White cast iron is named after its white surface when fractured, due...

is used for cookware

Cookware and bakeware

Cookware and bakeware are types of food preparation containers commonly found in the kitchen. Cookware comprises cooking vessels, such as saucepans and frying pans, intended for use on a stove or range cooktop. Bakeware comprises cooking vessels intended for use inside an oven...

because it has excellent heat retention properties and can be produced and formed with a relatively low level of technology. Seasoning is used to protect bare cast iron from rust

Rust

Rust is a general term for a series of iron oxides. In colloquial usage, the term is applied to red oxides, formed by the reaction of iron and oxygen in the presence of water or air moisture...

 and to create a non-stick surface

Non-stick surface

A non-stick surface is a surface engineered to reduce the ability of other materials to stick to it. A non-stick coating may be applied to a substrate to produce such a surface. One common application of non-stick coatings is cookware. Until recently, Teflon has dominated this market. However,...

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Bare cast-iron vessels have been used for cooking for hundreds of years. Cast iron cauldron

Cauldron

A cauldron or caldron is a large metal pot for cooking and/or boiling over an open fire, with a large mouth and frequently with an arc-shaped hanger.- Etymology :...

s and cooking pots were treasured as kitchen items for their durability and their ability to retain heat, thus improving the quality of cooking meals.