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Easy Low Carb Chicken Casserole

A comforting, low-carb chicken casserole that's easy to make and perfect for family dinners or meal prep.
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American
Calories: 350
Ingredients Method Notes

Ingredients
  

Main Ingredients
  • 3 cups cooked chicken, shredded or cubed Rotisserie chicken works beautifully.
  • 2 cups cauliflower florets, lightly steamed Can substitute with broccoli if preferred.
  • 1 cup spinach, roughly chopped Kale can be used for a stronger flavor.
  • 1 cup sour cream Greek yogurt is a lighter healthy option.
  • 1 cup shredded cheddar cheese, divided Monterey Jack can be used for a milder melt.
  • 1/2 cup grated Parmesan
  • 1/2 cup heavy cream Use unsweetened almond milk for a lighter version.
  • 1 small onion, finely diced
  • 2 cloves garlic, minced
  • 2 tablespoons butter
  • 1 teaspoon Dijon mustard
  • 1 teaspoon paprika
  • 1/2 teaspoon dried thyme
  • Salt and freshly ground black pepper, to taste
  • 1/4 cup almond flour or crushed pork rinds Optional for a crunchy low-carb topping.
  • Fresh parsley for garnish

Method
 

Preparation
  1. Preheat the oven to 375°F (190°C). Butter a 9x13-inch baking dish.
  2. In a skillet over medium heat, melt the butter until it foams. Add the diced onion and cook until translucent, about 3 minutes.
  3. Stir in the garlic, paprika, and thyme, toasting for 30 seconds until fragrant.
  4. Add the cooked chicken, steamed cauliflower, and chopped spinach to the skillet. Toss briefly to combine.
  5. In a mixing bowl, whisk together the sour cream, heavy cream, Dijon mustard, half of the cheddar, Parmesan, salt, and pepper.
  6. Pour this creamy mixture over the chicken and vegetables, folding until everything is evenly coated.
  7. Transfer to the prepared baking dish, smoothing the top. Sprinkle with the remaining cheddar, and optional almond flour or crushed pork rinds.
Cooking
  1. Bake for 25–30 minutes until the top is bubbling and the cheese is golden brown.
  2. Let the casserole rest for 5 minutes before serving. Garnish with fresh parsley.

Notes

For variations, consider different toppings or ingredients like sun-dried tomatoes or vegetarian options. Store leftovers in an airtight container for up to 3 days.