Heat 2 tablespoons oil or ghee in a pan
Add 1 teaspoon mustard seeds and let them splutter
Add 1 teaspoon cumin seeds
Add 1 tablespoon chana dal and 1 tablespoon urad dal
Add a few curry leaves and 1 chopped green chili
Add 1 chopped onion and sauté until soft
Add 1 cup semolina (rava/sooji) and roast on low heat until fragrant
In another pot, boil 2.5 cups water with salt
Slowly add the hot water to the roasted semolina while stirring continuously
Cook on low heat until the mixture thickens and the water is absorbed
Add chopped coriander leaves and mix well
Add lemon juice if desired
Serve hot