Pasta shells are a type of pasta shaped like small, hollow shells. They are typically made from durum wheat semolina and water, giving them a firm texture when cooked. Pasta shells come in various sizes, with larger ones often used for stuffing with ingredients like cheese, meat, or vegetables. These shells are commonly used in dishes such as stuffed shells and pasta salads. They can be served with a variety of sauces, including marinara or alfredo, making them a versatile choice for many recipes. Their unique shape allows them to hold sauces and fillings well, enhancing the overall flavor of the dish.