Kitchen

Commercial kitchens are found in restaurants, cafeterias, hotels, hospitals, educational and workplace facilities, army barracks, and similar establishments. These kitchens are generally larger and equipped with bigger and more heavy-duty equipment than a residential kitchen. For example, a large restaurant may have a walk-in refrigerator and a large commercial dishwashing machine. In some instances, commercial kitchen equipment such as commercial sinks are used in household settings as they offer ease of use for food preparation and high durability.

In developed countries, commercial kitchens are generally subject to public health laws. They are inspected periodically by public-health officials, and forced to close if they do not meet hygienic requirements mandated by law.

History

Middle Ages

Early medieval European longhouses had an open fire under the highest point of the building. The kitchen area was between the entrance and the fireplace. In wealthy homes, there was typically more than one kitchen. In some homes, there were upwards of three kitchens. The kitchens were divided based on the types of food prepared in them.

The kitchen might be separate from the great hall due to the smoke from cooking fires and the chance the fires may get out of control. Few medieval kitchens survive as they were "notoriously ephemeral structures".

Colonial America

In Connecticut, as in other colonies of New England during Colonial America, kitchens were often built as separate rooms and were located behind the parlor and keeping room or dining room. One early record of a kitchen is found in the 1648 inventory of the estate of a John Porter of Windsor, Connecticut. The inventory lists goods in the house "over the kittchin" and "in the kittchin". The items listed in the kitchen were: silver spoons, pewter, brass, iron, arms, ammunition, hemp, flax and "other implements about the room".

Technological developments such as the Rumford roaster and the kitchen range enabled more efficient use of space and fuel.

Rationalization

A stepping stone to the modern fitted kitchen was the Frankfurt Kitchen, designed by Margarete Schütte-Lihotzky for social housing projects in 1926. This kitchen measured 1.9 by 3.4 metres (6 ft 3 in by 11 ft 2 in), and was built to optimize kitchen efficiency and lower building costs. The design was the result of detailed time-motion studies and interviews with future tenants to identify what they needed from their kitchens. Schütte-Lihotzky's fitted kitchen was built in some 10,000 apartments in housing projects erected in Frankfurt, Germany in the 1930s.