South Indian cuisine (to my knowledge) does not contain much Ghee. North Indian cuisine is the one that leans heavily on the Ghee. South Indian dishes would be

South Indian cuisine (to my knowledge) does not contain much Ghee. North Indian cuisine is the one that leans heavily on the Ghee. South Indian dishes would be Dosas, Uttapam, Idli, Sambar, Vada. Most of it is vegan, if it's vegetarian.