Preheat oven to 350. Lay chicken breasts on a cooking sheet, sprayed with cooking spray, Cook about 6 minutes or until whitish. Make a cut into the middle of each chicken breast, but not cutting all the way through. Mix together all spices in a small bowl. Put spices in the cut of each chicken. Then put olive oil over the spices. Bake chicken breast until done and no longer pink. Put 2 jalapeños on top of each chicken breast and a little juice. Sprinkle with ranch seasoning.