Add to a mini food processor the lime juice, cumin, jalapeno, cayenne pepper, paprika, oregano, oil (or spray oil), crushed garlic and a little salt and blitz a few times until you have a paste. Add to the chicken and mix to coat thoroughly. Refrigerate for a few hours to marinade.
Place some oil into frying pan or with some spray oil, over a medium high heat. Add the marinated chicken mixture and cook stirring occasionally until the chicken is browned, remove the chicken and set aside.
Serve in the middle of the table with a mixed salad and choice of toppings (soured cream, cheddar , avocado, chopped tomato, chopped jalapeños and build your own fajita chicken pasta bowl, dig in and enjoy.