1. In a pan, heat oil and add cloves, black pepper seeds, bay leaves and fry for a minute or so.
2. Add green chillies, salt, mint leaves, coriander powder, white pepper powder, prawns and stir for few minutes on medium heat.
3. Now add coconut milk and cook on low heat for 20 minutes.
4. When the sauce thickens, remove from flame and garnish with coriander leaves.
5. Serve hot with rice or parathas.