Why are Charcoal and Salt Added in the Earth Pit? The combination of salt and charcoal is the perfect mixture which makes the ionic bonding for moisture in the earth pit. When the moisture ...
The earth oven, or horno de tierra, is the key to pit cooking in Mexico. (Feria de Productores/CC BY-SA 2.0) Nobody knows how long the earth has been used as an oven. However, evidence for the ...