Add the oil to a large high sided skillet on the stove over medium high heat.
Season the chicken with the creole seasoning, and add to the heated skillet with the sausage. Saute until the chicken and sausage are cooked through. Remove and set aside.
To the same skillet, add the onion and bell peppers. Saute until the onion has softened.
Stir in the garlic, and saute another 30 seconds.
Pour the chicken broth and tomatoes into the skillet, and stir to combine.
Break the spaghetti noodles in half, and place into the liquid in the skillet.
Return the meat to the skillet, cover and simmer for 5 minutes.
Stir the ingredients, return the cover, and simmer for 10 more minutes.
Whisk together the cornstarch and heavy whipping cream, and pour into the skillet. Stir to combine.
Simmer until the mixture thickens.
Remove from the heat and let rest for 5-10 minutes before you serve.