01 -
Cook the penne in salted boiling water, following the details on the package.
02 -
Pour olive oil into a big skillet and warm it up on medium heat. Sprinkle 1 tablespoon of Cajun spice on both sides of the chicken. Fry for 3 minutes per side or until the chicken is cooked thoroughly with an internal temperature of 165°F.
03 -
Take the chicken out of the pan, clean the skillet, and place it back on medium heat.
04 -
Let the butter melt in the pan, toss in the garlic, and stir it around for half a minute. Sprinkle in the flour, cooking it another half a minute. Gradually pour in the half and half, a little at a time early on, whisking until smooth.
05 -
Mix parmesan into the sauce and let it dissolve fully. Stir in the remaining ½ tablespoon of Cajun seasoning, adjusting salt and pepper to taste.
06 -
Toss together the cooked pasta with the sauce. Layer with diced tomatoes, parsley, extra parmesan, and sliced chicken right before serving. Dig in!