Wash the tomatoes, cut them in half. Rinse prawns, dab dry. Clean the chilli, cut open, seed, wash and finely chop. Heat in a pot, briefly sauté the chilli and 2 tsp curry in it. Add coconut milk and 1⁄8 l water, bring to the boil. Season with 1⁄2 TL salt and 1 TL sugar.
Add the tomatoes and prawns and simmer for about 5 minutes. Wash the coriander, shake dry and chop coarsely. Squeeze lime. Season curry with salt and lime juice. Sprinkle with coriander. Rice tastes good with it.