Cook pasta according to package instructions. Reserve some pasta water.
In a pan, sauté capsicum, onion, and garlic with Cajun seasoning, salt, pepper, and paprika.
Add tomato paste and cook for a few minutes.
Transfer mixture to a blender with cream cheese and a splash of pasta water. Blend until smooth.
Cook chicken in the same pan with Cajun seasoning until almost done.
Pour in the sauce and let it simmer gently.
Add cooked pasta and mix well. Simmer for a few minutes.
Serve and garnish with parsley if desired.
