1. Make a fine paste pf curry leaves, green chillies, ajwain, lemon juice and red chilli powder.
2. Remember, initially do not add ajwain while grinding, add it in the end when grinding is almost done.
3. Do not add water while grinding - the lemon juice will give the right consistency - as we need this mix to stick to the prawns.
4. Marinate prawns with the above mixture and refrigerate for 15-20 mins.
5. Sprinkle rice flour on the prawns, marinate and deep fry.
6. Serve with sauce or chutney.

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Image: Flickr/creativecommons jerine