Quick cooking prawns question

[Mr Pies]

Im making a prawn curry later. I've got the sauce ready to heat up. How long do prawns take to cook once I've thrown them in? 5 minutes tips or a bit longer? They're quite big ones.

[Tanguero]

Until they are opaque all through - 5 min would probably do it fine. Just heave one out and cut it open to check.