1: Mix together finely chopped onion, garlic, green chillies, mustard oil, and any Indian achar or achar masala for the chutney.
2: Combine rice flour, water, salt, and oil to form a dough.
3: Roll out the dough into flat rotis.
4: Cook on a hot griddle until both sides are golden brown.
5: Serve with onion chutney.