Grind the chipotle chiles in a blender until powdered. Cook over high heat for 10 minutes, stirring frequently. Add all other ingredients, mix well, reduce heat and simmer for 20 minutes. Add 4 boneless chicken breasts and spoon sauce over top of each chicken breast. Cover frypan, reduce heat to low and simmer for 20-30 minutes.
Time depends on size of breasts.
Serve with rice and beans or potatos and fresh pan bolillos.