Cook cheese tortellini according to package instructions. Drain and set aside.
- Slice chicken into bite-sized strips and season with Cajun seasoning.
- In a large skillet, heat olive oil over medium-high heat. Cook the chicken for 6–8 minutes until golden and cooked through. Remove and set aside.
- Reduce heat to medium. Add butter to the skillet and sauté minced garlic for 1–2 minutes until fragrant.
- Pour in heavy cream and bring to a gentle simmer. Add Velveeta cubes and stir until melted and smooth.
- Stir in shredded mozzarella until fully melted. Season with salt and black pepper to taste.
- Add the cooked tortellini to the sauce and toss gently to coat.
- Return the chicken to the skillet and stir to combine with the pasta and sauce.
- Garnish with chopped parsley and serve hot.