Add cilantro leaves. Keep the cilantro stems aside.
Melt butter in a pan, add bay leaves, pepper corns, and, fry for two minutes. Add, cilantro stems and water. Boil for sometime. When the cilantro is cooked, remove it and mix in the mixture. Shift through a fine shift. Boil for sometime till the consistency is a little thick.
Add white pepper powder. Add salt Sprinkle chopped cilantro leaves. Serve piping warm.