Urad dal are a type of lentil with black skins covering creamy white interiors and are used in Indian cooking whole, split or ground.
Whole urad dal derive their strong, earthy flavor from the black skins and are often used in curries. Split urad dal retain the skins and also have a strong flavor. Skinned and split urad dal are creamy white and somewhat bland.Ground into flour or paste, it is extensively used in culinary preparations like batter, dosa, idli, vada, and papad.
Skinned and split urad dal are commonly used for tempering.