01 -
Preheat your oven to 375°F. Dice 1 1/2 lbs boneless, skinless chicken breasts into bite-sized pieces. Cook the chicken in a large skillet over medium-high heat until no longer pink, then set aside. This prepares the savory core for your Creamy Low Carb Chicken Casserole.
02 -
In the same skillet (add a little oil if needed), sauté 1/2 cup diced yellow onion until softened, about 3-4 minutes. Add 2 cloves minced garlic and cook for another minute until fragrant, being careful not to burn it.
03 -
Reduce heat to low. Stir in 8 oz softened cream cheese, 1/2 cup heavy cream, 1/2 cup low-sodium chicken broth, and 1/4 cup full-fat sour cream. Whisk until the sauce is smooth and well combined. Season with 1 tsp dried thyme, 1/2 tsp garlic powder, 1/2 tsp onion powder, 1/4 tsp black pepper, and salt to taste.
04 -
Return the cooked chicken to the skillet with the creamy sauce. Add 4 cups broccoli florets and 1 cup of the shredded sharp cheddar cheese. Stir gently to ensure all ingredients are evenly coated in the rich sauce. This forms the delicious base of your Creamy Low Carb Chicken Casserole.
05 -
Transfer the entire mixture into a 9x13 inch baking dish. Sprinkle the remaining 1/2 cup shredded sharp cheddar cheese and 1/4 cup grated Parmesan cheese evenly over the top of the casserole.
06 -
Bake for 25-30 minutes, or until the casserole is bubbly around the edges and the cheese topping is golden brown and melted. For the best Creamy Low Carb Chicken Casserole, ensure it's heated through completely.
07 -
Remove the casserole from the oven and let it rest for 5-10 minutes before serving. This allows the sauce to set slightly, making it easier to portion. Garnish generously with 2 tbsp fresh chopped parsley.