1. In a heavy saucepan, heat the oil and add the curry leaves, stirring constantly.
2. Add the urad dal, split peas, and mustard seeds; fry for 1 minute, then add ginger root, red & green chilies. Fry for 1 to 2 minutes more.
3. Add water; bring to a boil.
4. Add semolina and salt; cook in a covered saucepan about 8 minutes.
5. When water is absorbed, mix in cashews, lemon juice, and green peas.