Marinate the prawns in 1 tsp chilly powder, + tsp turmeric powder, 1 tsp coriander powder, salt and fry it in oil. Keep it aside.
Heat oil in a vessel and sautT onion with salt in it.
Add tomato, garlic and ginger. SautT again.
Add the fried prawns, chilly powder and turmeric powder to it and sautT well for 2-4 minutes.
Take it from flame and keep it aside.
Knead the flour with hot water and salt as required to make a smooth dough.
Make medium size balls out of it and press it on a banana leaf.
Spoon in the prawn masala as required.
Make it a ball by joining all sides.
Repeat the process and steam cook the prawn balls for 15-20 minutes.
Serve it as an evening snack or for breakfast or during breaking fast.