Doi Potol is a traditional Bengali vegetarian delicacy. Potol is pointed gourd or parwal. In this recipe pointed gourd will be cooked in a spicy and tangy yogurt based sauce. I didn't use onion and garlic in this, but you can if you wish. Doi Potol goes best with plain steamed rice. I kept the recipe very simple and easy. Do try this in your kitchen and let me know how it turned out for you.