In a pan add the butter and brown the crushed garlic and keep aside.
In the same pan add the chopped garlic and saute for a min.
Add the prawns, season with salt, oregano, cracked peppercorns and saute for 2-3 mins.
Add water, bring to boil and cook for 5-6 mins.
Garnished with cracked peppercorns, brown garlic and chopped coriander leaves and serve.