Place chicken and Cajun seasoning in a bowl and toss to coat.
In a large skillet over medium heat, saute chicken in butter or margarine until chicken is tender, about 5 to 7 minutes.
Reduce heat add green onion, heavy cream, tomatoes, basil, salt, garlic powder, black pepper and heat through.
Pour over hot linguine and toss with Parmesan cheese and cook for a bit to combine flavor's
This origionally called for heavy cream, but to reduce calories and to make it reheat better I went from using heavy cream to premade alfredo sauce.