Sambar is a lentil-based vegetable stew, cooked with pigeon pea and tamarind broth. It is popular in South Indian and Sri Lankan cuisines. Sambar is a South Indian stew made with lentils, mixed vegetables, herbs. Hence a comfort food at its best. The classic dish is so easy to make and is so heavenly that you will turn to time and again. This traditional recipe is hearty, super flavorful and loaded with vegetables.