Red lentil is a type of lentil that has not been hulled or split. It is a popular pulse in many cultures around the world. It is a good source of protein, fibre, iron and other essential nutrients. It is a small, round bean and has a hard matte skin. It has a firm, chewy texture when cooked and has a mild, earthy flavour. One cup of cooked whole red lentil contains approximately: 15 grams of protein 15 grams of fibre 7 milligrams of iron 422 milligrams of potassium 100 milligrams of magnesium