In a large pot of boiling salted water, cook the cheese tortellini according to package instructions. Drain and set aside.
Toss the cubed chicken breast with the Cajun seasoning until evenly coated.
In a large skillet, heat the olive oil over medium heat. Add the seasoned chicken and cook until golden brown and cooked through, about 5-7 minutes. Remove the chicken from the skillet and set aside.
In the same skillet, add the diced onion and red bell pepper. Sauté for about 3-4 minutes or until softened. Add the minced garlic and cook for an additional 1 minute until fragrant.
Return the cooked chicken to the skillet. Add the diced tomatoes and heavy cream, stirring to combine. Allow the mixture to simmer for about 3-4 minutes, letting the flavors meld together.
Gently fold the cooked tortellini into the skillet, ensuring they are coated in the creamy sauce. Cook for an additional 2-3 minutes, adjusting the seasoning with salt and pepper to taste.
Divide the Cajun chicken tortellini among serving plates, garnished with fresh chopped parsley.
Notes
Adjust the Cajun seasoning to taste for more or less spice.