How Slow Cookers Work |
The slow cooker is a simple appliance that is relatively low-tech. The appliance consists of a metal casing, stoneware insert and tight-fitting glass or plastic lid. The low-wattage metal casing houses electric heating elements between the inner and outer sides. As the elements heat up, they warm the insulated air trapped between the metal walls, ultimately heating the metal. Heat is then transferred to the cushion of air between the inner metal wall and the stoneware. Because the heating elements never make direct contact with the stoneware, there are no hot spots, eliminating the need for constant stirring. Slow cookers use about the same amount of energy as a 100-watt light bulb — substantially less than a conventional oven.
About the Author
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Donna-Marie Pye
A Canadian, Donna-Marie Pye is a best-selling author, home economist, food writer and recipe developer for food publications and food marketing boards, and author of America''s Best Slow Cooker Recipes and The Best... Learn more about Donna-Marie Pye
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