Soak both the rice, dhal and fenugreek seeds together for 3-4 hours in sufficient water.Drain and grind it very coarsely. Add salt and mix well. Let it ferment overnight.
Next morning, add the curd and mix well.
Heat both the oil and ghee together. Add coarsely ground pepper and cumin to this and let it fry well.Transfer this ghee mixture to the idli batter and mix well
Now apply oil to a plate or the small leaf cups. Fill up to half the cup or plate and steam well. Takes nearly 40 minutes to steam well. You can alternatively use the idli mould to steam too.
Let it cool completely. Then unmould it carefully.Cut into small servings and serve with Idli milagai podi and sambhar