Sauté Garlic: In a pan, heat olive oil and butter over medium heat. Add minced garlic and sauté for 1 minute until fragrant.
Cook Chicken: Add chicken thighs to the pan, season with salt and pepper. Cook for 7-10 minutes or until done. Remove chicken and garlic from the pan and set aside.
Pasta Time: In a separate pot, cook penne pasta for 2 minutes less than package instructions suggest. Drain and set aside.
Creamy Sauce Prep: In the same pan used for chicken, add chicken stock, heavy cream, chili flakes, oregano, and thyme. Bring to a simmer.
Cheese: Stir in grated parmesan cheese until completely melted.
Simmer Sauce: Reduce heat to medium and let the sauce simmer for 3-5 minutes.
Tomato: Add tomato paste and sun-dried tomatoes to the sauce, mixing well.
Combine: Add drained pasta and cooked chicken to the sauce. Mix well and cook for an additional 2 minutes.
Final Seasoning: Taste and adjust seasoning with salt and black pepper as neede