Keks is a type of biscuit or cookie that is popular in various cultures, particularly in Germany and Eastern Europe. It is often made from simple ingredients like flour, sugar, butter, and eggs, and can be flavored with chocolate, nuts, or spices. Keks can be enjoyed as a snack or dessert and is commonly served with tea or coffee. In some regions, Keks refers specifically to a hard, dry biscuit that is meant to be stored for long periods. These biscuits are often used in baking or as a base for desserts. Keks can also be found in different shapes and sizes, making them versatile for various occasions.