Dahl is a type of sauce made from lentils, commonly used in Indian cuisine. It is often cooked with spices such as turmeric, cumin, and coriander, giving it a rich flavor. Dahl can be served as a main dish or a side, and it is a staple source of protein, especially for vegetarians. There are many variations of dahl, including masoor dahl (red lentils) and toor dahl (split pigeon peas). Each type has its unique taste and texture, making dahl a versatile dish that can be enjoyed with rice, bread, or on its own.