Masoor dal or Red lentils are this tiny but nutrient-rich lentils, are very popular in India and make a protein-rich and delicious curry. Masoor dal comes in two forms: One is the split lentils or red lentils which cook super easy and one is Sabut or whole lentils which take a little longer to cook but are equally delicious. The protein content in masoor dal is comparable to any meat dish, making it a great option for vegetarians and vegans.