Cheesy Keto Chicken Casserole
5, Sep 2025
Cheesy Keto Chicken Casserole

This keto chicken casserole is loaded with tender chicken, spinach, leeks, and cheesy goodness! It’s an irresistible family dinner you’ll make again and again.

A cheesy casserole combined with tender chicken, bacon, leeks, and spinach in a deliciously cheesy sauce.

While it’s best enjoyed freshly cooked, you can easily prepare and mix all of the ingredients ahead of time in a pan. When you’re ready, pop it in the oven to bake to save time.

We used mozzarella cheese but feel free to use cheddar, edam or gouda cheese instead. They melt just as well and turn golden brown and bubbly in the oven!

Why You’ll Love This Chicken Casserole

  • Only 4.3 grams of net carbs!!

  • Ready in just 35 minutes

  • A delicious and comforting dinner

Cheesy Chicken Casserole Ingredients

This low carb casserole only requires 10 key ingredients to make, and they’re easily substitutable to what you have on hand.

  • Chicken – we used skinless, boneless chicken breast for this recipe, but you can easily use chicken thighs or other meat.
  • Bacon – who doesn’t love extra bacon in casseroles? You can also add diced ham if you don’t have any bacon.
  • Vegetables – we use baby spinach, red onion, and leek in this casserole. You can also use other low carb vegetables such as mushrooms, tomatoes, broccoli, and celery.
  • Heavy cream
  • Eggs
  • Cheese – we used mozzarella in this recipe, but you can substitute it for cheddar, Edam, or gouda which all work great in this casserole.
  • Olive oil
  • Seasonings – for this recipe, you’ll only need mild paprika, salt, and black pepper.

Keto Chicken Casserole Recipe

This keto chicken casserole is loaded with tender chicken, spinach, leeks, and cheesy goodness! It's an irresistible family dinner you'll make again and again.
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 2
Course: Main Course
Cuisine: American
Calories: 611

Ingredients
  

  • 1 Chicken Breast diced
  • 2 cups Baby Spinach fresh
  • 1 medium Red Onion chopped
  • 1 cup Leek sliced
  • 4 Slices Bacon Chopped
  • 1 cup Heavy Cream
  • 2 large Eggs
  • 1 cup Mozzarella Cheese grated
  • 4 tablespoon Olive Oil
  • 1 teaspoon Paprika mild
  • 1 teaspoon Salt
  • ½ teaspoon Black Pepper

Method
 

  1. Preheat the oven to 375°F (190°C) and prepare an oven-proof baking dish.
  2. Cook the chicken: In a deep pan, heat olive oil over medium-high heat. Add the chicken and sauté for 2–3 minutes with a pinch of salt, pepper, and paprika.
  3. Add vegetables: Stir in the onions and leeks, cooking for about 5 minutes. Add the bacon and spinach, then cook for another 2–3 minutes until everything is well combined.
  4. Make the sauce: Pour in the heavy cream and whisk in the eggs. Once the cream starts bubbling, stir in the cheese and season again with salt, pepper, and paprika.
  5. Bake: Transfer the mixture into the prepared baking dish and bake for 10–15 minutes, or until golden brown on top.

 

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