Slice chicken into thin cutlets and season with salt, pepper, Italian seasoning, smoked paprika, and garlic powder.
Heat olive oil and 1 tablespoon butter in a skillet. Cook chicken until golden and fully cooked, then set aside.
Add remaining butter and garlic to the same pan and sauté until fragrant.
Pour in chicken broth and simmer briefly while scraping up flavor from the pan.
Add heavy cream and whisk in cream cheese until smooth.
Cook penne pasta until slightly underdone, then drain.
Add pasta to the sauce, tossing well and adding pasta water if needed.
Stir in cheddar and Parmesan until melted into a creamy sauce.
Slice chicken and place over the pasta.
Garnish with parsley and lemon juice, then serve warm.