Cinnamon sticks are aromatic and flavorful spice made from the inner bark of cinnamon trees. They have a slender and cylindrical shape with a rough texture. Cinnamon sticks are commonly used in cooking and baking to add a warm and sweet taste to dishes, such as desserts, beverages, and curries. They are also used for making spiced teas and infusions. Cinnamon sticks are known for their fragrant aroma and can be used whole or ground into a powder.