Creating the Cajun Cream Cheese Chicken Pasta Bake is simple if you follow these easy steps:

1. Preheat Oven: Start by preheating your oven to 350°F (175°C).
2. Cook Pasta: In a large pot, bring salted water to a boil. Add pasta and cook according to package instructions until al dente. Drain and set aside.
3. Sauté Chicken: In a large skillet, heat olive oil over medium heat. Add the cubed chicken, season with salt, pepper, and Cajun seasoning, and sauté for 5-7 minutes until the chicken is cooked through.
4. Mix Cream Cheese: In a separate bowl, combine softened cream cheese with chicken broth, garlic powder, and diced tomatoes. Mix until smooth.
5. Combine Ingredients: In the skillet with the cooked chicken, add the drained pasta and the cream cheese mixture. Stir gently until everything is well combined.
6. Add Cheese: Stir in half of the shredded cheddar cheese and mix until melted and creamy.
7. Transfer to Baking Dish: Pour the mixture into a greased 9×13-inch baking dish. Spread evenly.
8. Top with Cheese: Sprinkle the remaining cheddar cheese evenly over the top.
9. Bake: Place in the preheated oven and bake for 30-35 minutes until bubbly and golden.
10. Garnish: Remove from the oven and let it cool for a few minutes. Garnish with chopped green onions if desired.

This straightforward process will yield an incredible pasta bake that your whole family will adore!