Cook this when you are in the mood to have something exotic made with chicken. It is especially worth the effort when you want to present your guests with an elaborate dish at a party.
Put the cilantro, onions, ginger, garlic, green chiles, and 1tablespoon of the pistachios in a food processor, and process to a fine paste. Transfer to a small bowl and set aside.
Trim off the excess fat from the chicken breasts. Using a sharp knife, split the chicken