Gelatin powder is a common form of gelatin that dissolves easily in liquid, making it easier to mix into recipes. It is often used in desserts such as jellies, puddings, and custards. Gelatin powder is sold in a dry, granulated form and is typically unflavoured.
Gelatin sheets, also known as leaf gelatin, are sheets of unflavoured gelatin that have been pressed and dried. They are commonly used in dessert recipes, such as mousse and pastry creams. Gelatin sheets need to be hydrated in cold water for several minutes before use, and they dissolve more slowly than the powder form.