In a very large skillet, melt the butter (or you can use 2 tablespoons olive oil instead), add the chicken, add the seasonings (or shake the chicken and seasonings all together in a ziplock beforehand like in the Instant Pot method), and saute over medium-high heat for about 5 minutes, stirring and flipping the chicken intermittently to cook evenly. Allow it to rest in the skillet when it’s done.
While the chicken is sauteing, get started boiling the penne pasta separately in a pot of water and cook it according to package directions
In the last 3 minutes, add the broccoli florets.
Drain the water when the pasta isal dente.Reserve3 cups of pasta water. This is going to take the place of the chicken stock in the IP version.
Add the drained pasta and broccoli to the skillet with the chicken, add the cream cheese, heavy cream, Colby Jack, Parm, and stir to combine and
Allow the cheeses to melt.
Depending on how thin or thick you like your sauce, add the reserved pasta water, a little bit at a time, and stirring as you go.Tip– You will probably only use 1 to 2 cups, max.
Taste, make any necessary seasoning adjustments, garnish as desired, and serve!