Urad dal with skin is a type of lentil that has been split but not hulled. It is also known as black urad dal. Urad dal with skin is a small, split lentil with a deep black colour. It has a rough, wrinkled skin. Urad dal with skin has a firmer, chewier texture than urad dal without skin. It has a more earthy, nutty flavour than urad dal without skin. Urad dal with skin is a good source of protein, fibre, iron and other essential nutrients. One cup of cooked urad dal with skin contains approximately: 15 grams of protein 15 grams of fiber 7 milligrams of iron 422 milligrams of potassium 100 milligrams of magnesium