Firstly, in a large mixing bowl take 1 cup besan.

Add in ¼ tsp turmeric, ¼ tsp ajwain and salt to taste.

Additionally, add ½ cup water or little more.

Mix with the help of whisk to form a smooth batter.

Now rest the batter for 30 minutes or more so that besan absorbs water and turn light

Furthermore, add in ½ onion, ½ tomato, 2 tbsp coriander leaves, 1 inch ginger and 1 green chilli

Mix well with the help of ladle and get to a flowing consistency

Further, pour a ladleful of batter onto a hot tawa and spread gently

Pour a tsp of oil over chilla.

Allow to cook on medium flame.

Now flip the chilla and cook both sides.

Finally, fold the besan chilla and serve with green chutney.