Thermal cooking uses a thermal cooker, also called a vacuum flask cooker, a heavily insulated vessel that retains heat already put into food and continues cooking it without any ongoing fuel or heat source. The device is a modern equivalent of the haybox, an older method that packed a cooking pot in hay or straw to hold in heat by the same principle.
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Thermal cooking (Wikipedia)
In Group: Sous Vide and Low-Temperature Appliance Cooking, Lead paragraphQuote, In Group: Sous Vide and Low-Temperature Appliance Cooking, Lead paragraph
A thermal cooker, or a vacuum flask cooker, is a cooking device that uses thermal insulation to retain heat and cook food without the continuous use of fuel or other heat source.
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