Shell, devein and clean the prawns.
Mix all the ingredients except the butter to make a marinade.
Put the prawns in the marinade covering them all over.
Set aside for 30 minutes.
Melt the butter in a frying pan.
Put the marinade without the prawns into the butter.
Stir and fry for a few minutes until the butter seperates then gently put the prawns into the frying pan and stir carefully.
Cook for a few minutes till the prawns are ready.
Do not overcook the prawns.