The hamburger is one of the most popular sandwiches all round the world. The bun is one of the most important ingredients when making an hamburger. The original hamburger bun is a round soft roll with sesame seeds on top. The bread is usually made with wheat flour and has a sweet taste. A lot of different recipes have been developped and we can now find a large variety of hamburger buns : rustic style, brioche buns, with whole wheat flour and various types of seeds.