Cook the pasta to al dente as instructed on the box.
8 oz penne pasta
Place chicken and Cajun seasoning in a bowl and toss to coat.
2 boneless skinless chicken breasts, 3 tsp cajun seasoning
In a large skillet over medium-high heat, sauté chicken in butter until chicken is tender, about 5 to 7 minutes.
2 Tbsp butter
Reduce heat and add tomatoes, basil, salt, garlic, black pepper, and heat throgh about 1 minute.
2 Tbsp sun-dried tomatoes, 1/4 tsp kosher salt, 1/4 tsp dried basil, 1 clove garlic, 1/8 tsp fresh ground black pepper
Add the heavy cream and increase the heat to a simmer. Allow to cook a couple of minutes to thicken.
1 1/2 - 2 cup heavy whipping cream
Pour over the cooked penne pasta and toss with parmesan cheese and green onions.
1/4 cup green onions, 1/4 cup grated parmesan cheese
Serve hot, garnish with additional green onions (optional).