Marinate the prawns with the lemon juice, pinch of turmeric, chilli powder and salt.

Heat oil in a pan and stir fry prawns, until almost cooked. Drain and set aside.

In the same pan, add cumin seeds, crushed ginger/garlic and the diced onions.

Saute, until the onions start to change color

Reduce heat, and add the spice powders (turmeric, coriander, chilli, pepper). Fry briefly and add chopped tomatoes.

Add the prawns, and lastly add the sliced capsicum and salt ( if needed).

Cook for a few minutes.