Pasta shells, also known as conchiglie, are a popular type of pasta that resembles seashells in shape. They are characterized by their concave shape and ridges, which help capture and hold onto sauces, making them ideal for hearty and creamy dishes. They work well with both meat-based and vegetarian sauces, as well as in baked pasta dishes such as stuffed shells. The hollow center of the shells allows them to hold fillings like cheese, vegetables, or meat, creating a satisfying and flavorful bite.