Earth oven potatoes, milcao chapaleles, and vegetables traditionally prepared in an earth oven. It has spread to the southern areas of Chile. Earth oven cooking is sometimes used for celebratory cooking in North Africa, particularly Morocco: a whole lamb is cooked in an earth oven (called a "tandir", etymologically related to the Central- and South-Asian tandoor and possibly descended from an Akkadian word "tinuru") in a manner similar to the Hawaiian kalua. Among Bedouin and Tuareg nomads, a simple earth oven is used – often when men travel without family or kitchen equipment in the desert. The oven is mostly used to
Convection oven heating element which increases the oven's ability to cook foods evenly. Another form of a convection oven is called an "impingement oven". This type of oven is often used to cook pizzas in restaurants. Impingement ovens have a high flow rate of hot air from both above and below the food. The air flow is directed onto food that usually passes through the oven on a conveyor belt. Impingement ovens can achieve a much higher heat transfer than a conventional oven. There are also convection microwave ovens which combine a convection oven with a microwave oven to cook food with