Creating this Easy Low Carb Chicken Casserole is as easy as following these simple steps:

1. Preheat your oven to 350°F (175°C) and prepare a casserole dish with a light coat of cooking spray or olive oil.
2. In a skillet, heat the olive oil over medium heat. Add garlic powder, onion powder, and paprika, and stir for about 1 minute until fragrant.
3. Add the broccoli, cauliflower, and bell peppers to the skillet. Sauté for 3-5 minutes until they begin to soften.
4. In a large mixing bowl, combine the cooked shredded chicken, sautéed vegetables, cream cheese, and heavy cream. Mix until well combined.
5. Season the mixture with salt and pepper to taste.
6. Pour the mixture into the prepared casserole dish and spread it out evenly.
7. Sprinkle the shredded cheddar cheese on top of the casserole.
8. Bake in the oven for 25-30 minutes until the casserole is bubbling and the cheese is melted and golden brown.
9. Once cooked, remove it from the oven and let it cool for a few minutes.
10. Garnish with fresh parsley before serving to enhance its visual appeal.

Following these steps will result in a delectable casserole that everyone will enjoy.