Ancient Israelite cuisine aside, and the loaves were baked on the heated surface. People also began placing a convex dome, initially earthenware and later metal, over the pit-oven and cooking the flatbreads on the dome instead of on the ash-covered surface; this type of oven is probably what was meant by the biblical "machabat", often translated as “griddle”. The Persians introduced a clay oven called a tanur (similar to the Indian tandoor), which had an opening at the bottom for the fire, and through which the bread was placed to be baked on the inner wall of the upper chamber from the heat
Masonry oven hot. While you can’t wrap a ton of oven brick in a vacuum bottle, you can slow heat loss by raising it up off (or out of) the damp ground. Traditional Canadian clay ovens were even built on wood frames, which is possible when the masonry is thick enough to prevent the wood from getting too hot (over-firing can be dangerous). Other insulative plinth material might include lightweight stone like tufa or pumice. In the 1980s, Alan Scott, called by some the grandfather of modern wood-fired ovens, popularized a practice of building ovens on a lightweight slab of concrete made