Bring a large pot of salted water to a boil and cook the pasta until al dente. Reserve 1 cup of pasta water, then drain.
Season the chicken with smoked paprika, garlic powder, onion powder, cumin, salt, and pepper.
Heat olive oil and butter in a skillet over medium-high heat. Cook the chicken for 6–8 minutes until golden and fully cooked. Remove and set aside.
In the same skillet, heat olive oil and sauté the onion and bell pepper for about 5 minutes until softened.
Stir in garlic powder, cumin, paprika, oregano, salt, pepper, and tomato paste. Cook for 1–2 minutes.
Add chicken stock and cream cheese, stirring until smooth and creamy.
Return the cooked chicken to the skillet, then add the drained pasta. Toss everything together.
Stir in shredded cheddar cheese until melted. Add a splash of reserved pasta water if needed.
Finish with fresh parsley and serve warm.