Then bake it directly in a special oven for French bread, or bake it in a special baking tray with holes that can maintain the shape of French baguette. Heat can be conducted through the holes.
Origin of food
It was inherited from the bread craft in Vienna, Austria in the middle of19th century, when an oven called deck (thick floor) began to be widely used.
Instead of firewood, it uses natural gas to heat thick stone piles or refractory bricks like "deck" to bake. Deck ovens need to inject steam, and there are many different ways to inject steam in order to make a good baguette.
Baidu Encyclopedia-French baguette