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serving of chicken broccoli casserole on white plate with fork in it
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4.71 from 209 votes

Low Carb Chicken Casserole

This cheesy low-carb chicken casserole is creamy, comforting, and easy to make. Made with chicken, broccoli, and a rich cheese sauce, it is a family-friendly keto dinner that reheats beautifully.
Prep Time15 minutes
Cook Time30 minutes
Total Time45 minutes
Course: Main Course
Cuisine: American
Keyword: Low Carb Chicken Casserole
Servings: 12
Calories: 409kcal
Author: Kasey Trenum

Ingredients

Instructions

  • Prepare the chicken:Cook chicken breasts in a slow cooker with a little broth, salt, and pepper for 3 hours on high or 6 hours on low. Shred once cooked.Shortcut: You may also use rotisserie chicken to save time.
  • Prepare the broccoli:Steam fresh broccoli or microwave steam-in-bag broccoli according to package directions. Drain well.
  • Preheat oven:Preheat oven to 375°F and lightly grease a 9×13-inch casserole dish.
  • Make the cheese sauce:In a saucepan over low–medium heat, melt butter with heavy cream, garlic powder, and ½ teaspoon Italian seasoning. Whisk in softened cream cheese until smooth.
  • Add cheeses:Stir in shredded cheddar, mozzarella, and Parmesan, reserving ¼ cup cheddar and ⅛ cup of the other cheeses for topping. Stir until fully melted and smooth.
  • Assemble:Layer shredded chicken in the casserole dish, followed by broccoli. Pour cheese sauce evenly over the top.
  • Top and bake:Sprinkle reserved cheese over the casserole, then add paprika, parsley, and remaining Italian seasoning. 
  • Bake:Bake uncovered for 30 minutes, until hot and bubbly.
  • Serve:Let rest a few minutes before serving.

Video

Notes

  • Slow cooker chicken: This recipe uses baked assembly, but the chicken can be cooked ahead of time in a slow cooker. Cook chicken breasts with a little broth, salt, and pepper for 3 hours on high or 6 hours on low, then shred before assembling the casserole.
  • Shortcut option: Rotisserie chicken works well and saves time.
    Do not cook fully in the slow cooker: The cheese sauce is best baked in the oven to maintain a creamy texture and prevent separation.

Nutrition

Calories: 409kcal | Carbohydrates: 5g | Protein: 21g | Fat: 33g | Saturated Fat: 20g | Cholesterol: 132mg | Fiber: 1g | Sugar: 1g | Iron: 1mg
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