Ingredients:

• Rolled oats                              : 1 cup
• Fine sooji/Rava                       : 1/2 cup
• Fresh curd                               : 1/2 cup
• Baking soda                            : 1/8 tsp 
• Water as required
• Salt to taste
• Chopped coriander leaves     : 1tsp

For tempering: 

• Mustard seeds                       : 1/2 tsp
• Urad dal                                : 1/4 tsp
• Cumin seeds                         : a pinch
• Asafoetida                            : a pinch
• Green chilli chopped            : 1 tsp
• Oil                                        : 1 tsp

Method: 

• Grind the oats to a fine flour.

• Heat a tawa , roast the sooji for 2 mins.  Now add the oats flour to this roast for 4 mins, keep stirring.

• Let it cool completely. Then add the curd and mix well. Now add required amount of water to make a medium consistency  batter.  Cover it for 5 mins.

• Now add salt to this batter and mix well.

• Fry mustard seeds, urad dal, cumin seeds, asafoetida and green chilli in a spoon of oil and add this ti the batter.

• Finally add the baking soda and stir it immediately.

• Grease a idli mould and pour a ladle full batter to idli mould and steam it for 5 mins. Check it with a knife dipped in water. If it comes out clean then the idli is cooked.

• Serve it hot with coconut chutney or sambhar.