If you’re unfamiliar with ghee, it’s clarified butter often used in Indian cooking. Ghee is made by simmering unsalted butter in a pot until all water has boiled off, the milk solids have settled to the bottom, and the “junk” has floated to the top. According to Dr. Vasant Lad, director of the Ayurvedic Institute in Albuquerque, N.M., traditionally, ghee has been used to promote memory, intelligence, and digestion. Modern science tells us that ghee bolsters the immune system as well. Try this kitchari recipe.