Cook pasta according to package instructions until al dente. Drain, rinse with cold water and set aside.

Cook chicken: In a large pot or skillet, melt the butter over medium heat. Add the garlic and cook for 30 seconds. Add the chicken pieces (and any desired vegetables*) and season with cajun seasoning. Cook for 3-4 minutes, until chicken is nearly cooked through.

Add milk and cream cheese, stirring well until cream cheese has melted and sauce is smooth, 2-3 minutes. Stir in pasta, parmesan cheese, salt and pepper. Serve immediately.