I've eaten food cooked in this way including bread baked by making a fire, letting it die down, keeping the embers going nicely and then covering it with sand,

I've eaten food cooked in this way including bread baked by making a fire, letting it die down, keeping the embers going nicely and then covering it with sand, placing the bread in a cloth on top of the hot sand which is then covered in sand and left. It was basically an oven.