For the Chicken

• 2 large boneless, skinless chicken breasts, sliced into thin strips
• 1 ½ teaspoons Cajun seasoning
• 1 teaspoon smoked paprika
• 1 teaspoon salt
• ⅛ teaspoon freshly ground black pepper (or to taste)
• ½ cup grated Parmesan (for coating the chicken)
• 1 tablespoon olive oil
• 4 tablespoons butter, divided
• 5 garlic cloves, minced

For the Sauce

• 1 ½ cups heavy cream
• ¾ cup chicken broth (low-sodium if preferred)
• 1 cup shredded mozzarella cheese
• 1 cup shredded sharp cheddar cheese
• ¾ cup grated Parmesan
• 2 ounces cream cheese, softened
• ½ teaspoon Italian seasoning
• ½ teaspoon dried basil
• ¼ teaspoon crushed red pepper flakes (optional, for heat)

Other

• 12 ounces spaghetti
• Fresh parsley, chopped, for garnish