Boil water and cook penne pasta as directed on packaging. When pasta is cooked, drain and set aside.
While the noodles are cooking, add your chicken breasts and 1/2 tablespoon of olive oil to the pan and cook them.
Dice the onion, mince the garlic, and place them in a large skillet with ½ teaspoon olive oil. Tomato paste, diced tomatoes, cooked chicken, and about 1/4 cup of water and mix thoroughly. Allow to cook on medium heat for about 5 minutes, then reduce heat to low.
Add cream cheese, heavy whipping cream, mushrooms and allow to cook on low while stirring continuously until everything is combined.
Add Parmesan cheese and stir until cheese is melted.until the
Add the pasta and spinach and stir. Salt and pepper to taste.spinach,