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Creamy Low Carb Chicken Casserole

A rich, cheesy casserole loaded with juicy chicken, perfect for comfort food without the carbs.
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Course Dinner, Main Course
Cuisine American, Keto
Servings 6 servings
Calories 450 kcal

Ingredients
  

Main Ingredients

  • 3 cups cooked chicken, shredded or chopped Rotisserie chicken works best for speed.
  • 1 small head cauliflower, cut into bite-size florets and lightly steamed Alternatively, use 3 cups riced cauliflower.
  • 2 tablespoons butter or olive oil For sautéing.
  • 2 cloves garlic, minced Optional: 1/2 small onion, finely chopped.
  • 1 cup heavy cream
  • 4 ounces cream cheese, softened
  • 1/2 cup chicken broth
  • 1 teaspoon Dijon mustard
  • 1 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon paprika
  • Salt and pepper to taste.
  • 1 cup shredded mozzarella
  • 1/2 cup grated Parmesan
  • a pinch xanthan gum Optional thickener.
  • Fresh parsley or chives for garnish.

Instructions
 

Preparation

  • Preheat the oven to 375°F. Grease a 9 by 13 baking dish.
  • Steam cauliflower florets until just tender, about 4 to 5 minutes. Drain well.
  • In a skillet, melt butter over medium heat. Add onion (if using) and cook for 3 minutes until soft. Stir in garlic for 30 seconds.

Making the Sauce

  • Add cream, cream cheese, chicken broth, Dijon mustard, and spices to the skillet. Whisk while warming. Simmer for 3 to 5 minutes until slightly thick. If desired, simmer longer or add xanthan gum.

Combining

  • In a large bowl, toss together chicken, cauliflower, and sauce. Adjust salt and pepper to taste. Fold in half of the mozzarella and half of the Parmesan.

Assembling & Baking

  • Spread the mixture in the greased baking dish, then sprinkle the rest of the mozzarella and Parmesan on top.
  • Bake for 18 to 22 minutes until bubbling and lightly golden. Ensure chicken is cooked to at least 165°F.
  • Broil for 1 to 2 minutes for extra color if desired.
  • Let casserole rest for 5 to 10 minutes before serving.

Notes

You can assemble the casserole ahead of time and chill until ready to bake. Leftovers keep for up to 3 days in the fridge.
Keyword Chicken Casserole, Comfort Food, easy dinner, Keto Recipes, Low Carb