A pastry chef, also known as a pâtissier, is a professional who specializes in the preparation of pastries and other desserts. They are responsible for creating a variety of baked goods, such as cakes, pies, tarts, cookies, and breads. The pastry chef must have a strong knowledge of baking techniques, ingredients, and equipment. They must also be able to work quickly and accurately in order to produce high-quality products. A BAKER is someone who prepares and bakes breads, cakes, and other baked goods. They must have a good understanding of baking techniques, ingredients, and equipment. They must also be able to work quickly and accurately in order to produce high-quality products.