1Combine adobo sauce, adobo chilies, red onions, garlic, olive oil, apple cider vinegar, oregano, smoked paprika, cajun spice, chipotle chili powder, lime juice, salt, pepper, and water in a small bowl.
2Blend the mixture using a small food blender or food processor.
3Pour the marinade over the chicken breasts and mix well.
4Cover the bowl and let it marinate. You can even shake it around.