Ingredients for Grinder (4:1 Ratio) Rice - 4 cups Urad Dal - 1 Cup Ingredients for Mixie (3:1 Ratio) Rice - 3 Cups Urad Dal - 1 Cup Steps in Grinder 1. Soak Rice and Urad dal separately for 3 hours 2. Start the grinder and then slowly put the Urad dal inside and sprinkle water 3. Add water in few drops 4. Ensure Urad dal is ground very finely 5. Remove the urad dal from the grinder 6. Add Rice after starting the grinder 7. Add some water to ensure Grinder is not stuck 8. Do not ground the rice very finely. This will lead to very soft Idli (sometimes slippery) 9. Mix both the batter well and add two teaspoons of salt 10. Keep it outside (not fridge)overnight for fermentation 11. If you want to save some batter fro dosa which need not ferment, separate and put in fridge