In a blender put coriander leaves, cumin seeds, black peppercorns, cinnamon stick, green chilies, ginger, garlic, and cloves.
Next, add the cashews, turmeric powder, and vinegar. Blend into a smooth paste.
Take the chicken in a mixing bowl. Add half the amount of the prepared paste along with turmeric powder and salt. Mix well. Let the chicken rest for 15-20 minutes.
Heat oil in a pan. Add the green bell peppers and saute for 1-2 minutes.
Next, add in the marinated chicken. Saute and cook the chicken for 10-12 minutes.
Add the remaining of the paste and mix well.
Saute for another 5-6 minutes or until the chicken is completely cooked.
Add water and let the curry simmer for 2-3 minutes.
Serve hot with rice and salad of your choice.