Heat 1 to 2 tablespoons oil or ghee in a pan
Add 1 teaspoon mustard seeds and let them splutter
Add 1 teaspoon cumin seeds
Add 1 to 2 green chilies, chopped
Add 1 teaspoon grated ginger
Add a few curry leaves
Add 1 chopped onion and sauté until soft
Add 1 cup semolina or rava and roast on low heat until light golden
Add 2.5 to 3 cups hot water
Add salt to taste
Stir continuously to avoid lumps
Cook until the mixture thickens and the water is absorbed
Cover and simmer for 2 to 3 minutes
Turn off the heat
Add chopped coriander leaves
Add a squeeze of lemon juice if desired
Serve hot