👉 Mousier is a type of bread that is often used as a base for other types of bread and can be found in many different countries around the world. It is made by layering two layers of flour, one on top of the other, to create a dense and flavorful dough. Mousiers are typically served with butter or cheese, which gives them a rich and savory flavor. They can also be used as a base for other types of bread such as croissants or baguet