Quick Answer
Underground cooking methods include earth ovens, steam pits, and trench cooking. These techniques use natural insulation and retention of heat to cook food efficiently. Various designs and materials can be used to build these underground ovens.
Earth Oven Basics
Earth ovens, also known as earth ovens or piki ovens, are one of the oldest forms of underground cooking. To build an earth oven, dig a hole about 2-3 feet deep and 5-6 feet wide. Line the pit with rocks, and create a fire at one end. Once the fire has died down, add food and cover the pit with earth or a lid. The natural insulation of the earth will retain heat and cook the food evenly. Cooking times can range from 1-3 hours, depending on the type of food and desired level of doneness.
Steam Pits and Trench Cooking
Steam pits and trench cooking are similar to earth ovens but use the natural moisture of the earth to cook food. To build a steam pit, dig a hole and line it with rocks, then add a layer of water and food. Cover the pit with a lid or soil, and the steam will cook the food. Trench cooking involves digging a long, narrow trench and cooking food in the center. The earth above the trench acts as insulation, retaining heat and cooking the food evenly. Cooking times can range from 30 minutes to several hours, depending on the type of food and desired level of doneness.
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