Mix besan, semolina, curd, salt and make a batter with the help of water. Add water slowly stirring the mixture and to a required pouring consistency.
Peel wash and Chop onion, tomato, green chilli and coriander leaves. Grate ginger.
Mix all the chopped vegetables in batter. Add salt turmeric powder and soda bi carb and mix well till mixture becomes fluffy.
Grease four katoris. Add water in a karahi and heat it. Place a stand in karahi and put plate over it.
Now pour the mixture in katori. And keep katoris on the plate in karahi. Cover the lid. Steam for 10 minutes. Rest for 10 minutes.
Now remove katoris from karahi. Let it cool. Then demould it and remove it in a plate.
Now heat 1 tb spoon cooking oil in a non-stick griddle. Put mustard seeds and when mustard seeds splutter add sesame seeds and saute for 30 seconds. Now place katori Dhokla on it and roast on medium flame for 1 minute. Flip the side and roast from other side also. Flip again and roast for 1 minute.
Place it in a serving plate and serve with Tomato dip.
