• Preparing Vegetable Sautee
• Heat oil in a pan.
• Add cumin seeds, mustard seeds and let it crackle.
• Add ginger, green chilies, and onion.
• Saute for a minute.
• Then add veggies and saute on a medium flame for 3 - 5 minutes or till it's cooked al dente.
• Add rava or semolina and dry roast along with veggies. (you can roast it separately as well)
• Once done remove from pan and keep aside.

Preparing Batter For Idli

• In a skillet or griddle dry roast oats for 2 - 3 minutes.
• Keep stirring.
• Then remove from pan and allow it to cool completely.
• Next blend it to smooth powder once this is cold.
• In a mixing bowl add powdered oats, rava, veggies, and curd.
• Add sauteed vegetables and salt to taste.
• Then add water gradually making a batter of an idli batter consistency.
• Then keep it aside to rest for 15 minutes. Cover with a lid.
• After 15 minutes, check the consistency of the batter.
• If required add little more water and bring it to a consistency of idli batter.
• Whisk the batter for 2 minutes with a wired whisk.
• Now grease the idli molds.
• Place one tbsp batter on it and place the mould in steamer or idli maker.
• Steam for 12 - 15 minutes. Turn off heat but don't open
  immediately.
• Remove the mould and let it cool for a minute or two. Then with
  help of a spoon scrape out the idlis.
• Serve with chutney or sambar