Roast the chiles covered to steam. Remove stems, veins, seeds and discard. Roast the Tomatillos. In a blender, puree all ingredients together including onion and garlic from poaching liquid; use poaching liquid to thin sauce as needed, (cover lid of blender with kitchen towel) the mole should be the consistency of ketchup.. Heat oil and fry stir mole until mole has changed color. Serve over chicken.