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 the Penne into a pot of boiling water with a pinch of salt and teaspoon of salt. Cook the pasta for 8 to 12 minutes or until al dente, drain and set aside (reserving some of the pasta water)
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.
Add the cooked pasta and mix together thoroughly, adding a little more of the reserved pasta water until the sauce lightly coats all the pasta and is heated through.
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.