Keto Chicken & Cauliflower Rice Casserole

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This Keto Chicken & Cauliflower Rice Casserole is cheesy, creamy, and best of all, can be prepared using ONE skillet. Make it ahead of time and bake it off last minute for a quick, low-carb weeknight dinner that everyone will rave over!

chicken cauliflower rice and cheese casserole in a cast iron skillet

Here is another delicious keto-friendly casserole that will please the entire family! It is made with shredded chicken, three cheeses, riced cauliflower, and cream, so you know it will be super creamy and also have some serious cheese pull!

If you love cheesy keto casseroles, you need to check out these 37 Keto & Low Carb Casserole Recipes.

The riced cauliflower is a staple in this recipe because it adds lots of fiber without adding carbs. You can use riced broccoli as well or a combination of the two,

To make this low carb casserole quicker, I suggest preparing your shredded chicken in advance so that you can pull it straight out of your fridge or freezer with little prep. Once your chicken is ready to go, this casserole can be on the table in LESS than 30 minutes!

Chicken Casserole Ingredients:

  • Riced cauliflower: I like using frozen pre-riced cauliflower, which steams in the bag quickly with little mess.
  • Celery, onion, mushrooms: Adds flavor and nutrients to your casserole while keeping it low in carbs.
  • Shredded chicken breasts: I use skinless, boneless chicken breasts and cook it in my slow cooker until I can shred it in bulk. Do this in advance to save time!
  • Heavy cream, sour cream, cream cheese: Adds fat and protein to your casserole while helping to achieve a creamy, thick consistency.
  • Cheddar and Gouda: The combination of these cheeses work really well together and add a ton of flavor to your casserole.
  • Xanthan gum– This will help to thicken your casserole without needing flour.

Steps for making your chicken casserole:

Step 1: Boil your chicken breasts until they are cooked through and begin to fall apart. Shred with two forks.

celery, onions and mushrooms in a skillet

Step 2: Melt butter in an oven-safe skillet and add the mushrooms, onions, celery, and spices. Sauté for 5 min on medium heat. Meanwhile, steam the cauliflower rice in the microwave.

 

riced cauliflower in a skillet with mushrooms

Step 3: Add steamed cauliflower and 1 tbsp. More butter in the skillet and sauté for 7 min.

 

chicken rice, cheese and cream in a skillet

Step 4: Add the chicken broth, heavy cream, sour cream, softened cream cheese ¾ of the gouda, and  ½ of the cheddar cheese, then bring to a boil and boil on medium heat for 8 min with the lid off. Add ⅛ tsp xanthan gum and simmer for 5 min or until it thickens.

 

shredded chicken on top of cream, mushrooms and veggies in a skillet

Step 5: Add the chicken and stir to combine.

 

baked keto chicken cheese casserole in a skillet

Step 6: Sprinkle the remaining cheeses on top and pop the skillet in the oven until nicely melted. Sprinkle parsley on top and serve warm.

 

Variations to your casserole

You can swap out a few ingredients in your chicken casserole while keeping the flavor and consistency. If you do not like mushrooms, feel free to leave them out or use other keto-friendly veggies like spinach, brussels sprouts, or broccoli.

You can add bacon to your casserole for more flavor, fat, and protein.

If you don’t have gouda cheese, you can use all cheddar in place of it or use other cheeses like Monterey jack, mozzarella, Colby, or Gruyere.

Riced Cauliflower Options

I love purchasing bags of riced cauliflower, which they sell in the frozen food aisle. It makes casseroles like my Keto Buffalo Chicken Casserole (w/ Cauliflower) super fast and leaves me with minimal cleanup, which I love! They steam up in the microwave in no time and won’t make your casserole watery as it can sometimes do.

The advantage of making your own riced cauliflower is that it is cost-efficient. If you want to save a few bucks, I suggest purchasing a few heads of raw cauliflower and ricing it yourself. Use a large food processor to do it quickly in bulk. Store your riced cauliflower in freezer bags (in 12 oz. portions). This way, you will have portioned out riced cauliflower ready to use when you need it!

Then, when you want to use it in a recipe, add it to a microwave-proof bowl and cover it with a lid (or plastic wrap) so it steams. It should be ready in 5 minutes. Here you can learn how to make your own cauliflower rice at home using the microwave.

keto chicken casserole with riced cauliflower on a plate

Other keto chicken casseroles you will love:

Keto BBQ Chicken Casserole Recipe

Keto Buffalo Chicken Casserole (w/ Cauliflower)

Keto Chicken Alfredo with Broccoli Bake

Keto Chicken Bacon Ranch Casserole With Broccoli

Low Carb Chicken Casserole

chicken cauliflower rice cheese and mushrooms on a white plate
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Keto Chicken & Cauliflower Rice Casserole

This Keto Chicken & Cauliflower Rice Casserole is cheesy, creamy and best of all, it's super easy to put together. Make it ahead of time and bake it off last minute for a quick, low carb weeknight dinner.
Cook Time25 mins
Total Time25 mins
Course: Dinner, Main Course
Cuisine: American
Servings: 8
Calories: 414kcal
Author: Kasey Trenum

Ingredients

  • 3 tbsp butter
  • 1 cup chopped baby bella mushrooms
  • ½ small onion chopped
  • 2 celery ribs chopped
  • 2 12 oz packages steamed cauliflower rice
  • 1 ¾ tsp poultry seasoning
  • 1 tsp garlic powder
  • 1 tsp parsley
  • ¼ tsp paprika
  • 1 ¼ salt
  • ¼ pepper
  • 1 ⅔ cups chicken broth
  • ¾ cup heavy cream
  • 3 oz cream cheese softened
  • 1 tbsp sour cream
  • 4 oz gouda
  • 6 oz medium cheddar
  • 1 ¾ lbs boneless skinless chicken breasts
  • tsp xanthan gum
  • Parsley for garnish

Instructions

  • Cook the boneless skinless chicken breasts in a crockpot on low for 4-5 hours or high 2-3 hours then shred.
  • Preheat oven to 375° F.
  • Melt 2 tbsp butter in a 12-inch oven-safe skillet and add the mushrooms, onions, celery, and spices. Sauté for 5 min on medium heat.
    Meanwhile, steam the cauliflower rice in the microwave.
  • Add steamed cauliflower and 1 more tbsp butter in the skillet and sauté for 7 min.
  • Add the chicken broth, heavy cream, sour cream, softened cream cheese, ¾ of the gouda, and ½ of the cheddar cheese, and bring to a boil over medium heat for 8 min with the lid off.
  • Add ⅛ tsp xanthan gum simmer for 5 min or until it thickens then add chicken and stir to combine. (If it gets too thick, you can add more chicken broth.)
  • Sprinkle the remaining cheeses on top and pop the skillet in the oven until melted.
  • Sprinkle parsley on top and enjoy!

Video

Notes

The nutritional information provided is per serving based on 8 equal-sized servings. 
*The cook time does not include the additional time it takes to prepare your shredded chicken.

Nutrition

Calories: 414kcal | Carbohydrates: 4g | Protein: 32g | Fat: 30g | Saturated Fat: 18g | Cholesterol: 156mg | Sodium: 688mg | Potassium: 531mg | Fiber: 1g | Sugar: 1g | Vitamin A: 983IU | Vitamin C: 5mg | Calcium: 296mg | Iron: 1mg
Tried this recipe?Mention @kaseytrenumblogger or tag #kaseytrenumblogger!

keto chicken and riced cauliflower casserole with cheese in a skillet and on a plate

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