Are you looking for a casserole recipe that will hit everything on your dinner must have list? This keto chicken casserole will be just that recipe! This casserole is low carb, filling, creamy, delicious and the whole family will love it!

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Keto Chicken Casserole
In addition to all of the great things about this casserole that we have already talked about, did I also mention how easy this recipe is to make? It is! This one is perfect for those busy weeknight dinners and it’s great for meal prep!
What is Needed to Make Keto Chicken Casserole?
Tools and Supplies Needed to Make Keto Cauliflower Soup:
- Airtight Container
- Casserole Dish
- Nonstick Cooking Spray
- Medium Size Mixing Bowl
- Food Processor (or blender)
- Whisk

How to Make Keto Chicken Casserole
To make ranch avocado sauce: Place avocado, ranch seasoning, sour cream, and ½ cup buttermilk in food processor or blender. Blend (adding more buttermilk if needed). Refrigerate in an airtight container for up to 4 days.
Preheat oven to 350 degrees F. Spray a 9×13 casserole dish with nonstick cooking spray.
In a large bowl, mix together riced cauliflower, chicken, cream cheese, sour cream, ½ cup cheddar cheese, and seasonings.

Transfer to a casserole dish and cover with remaining cheese.

Bake for 30 minutes or until the cheese is golden on the edges and the casserole is bubbling.

Garnish as desired with your choice of cubed avocado, sliced black olives, minced cilantro, diced tomatoes, etc.

Serve with ranch avocado sauce.
How Many Carbs Are in Low Carb Chicken Casserole?
If you are looking for a creamy, comforting casserole that you can eat on your keto diet, this is the one! It has just 6 net carbs per serving.
This recipe makes 4-6 servings.
What are the Best Things About This Low Carb Chicken Casserole
This chicken casserole is a great comfort food meal, but there are even more great things about it! Here are some of the best things about this low carb chicken casserole and even more reasons for you to try it:
- It’s gluten free! It’s very hard to find casserole dishes that are keto friendly and it might be just as hard to find casseroles that are gluten free! This casserole is both! Perfect for sticking with your keto diet and avoid gluten for those that need it.
- It’s filling. If you are looking for a healthy recipe that is filled with protein and healthy ingredients, this is the one for you!
- It’s a great meal to make in advance. If you ever do a one day a week meal prep session, this casserole is a great recipe to add to your list. It’s easy to pop in the oven to heat up on busy nights when you don’t have time to prepare a meal from scratch.

Side Dishes That Pair Well with Keto Chicken Casserole
Trying to figure out what to serve with this casserole? Read on for some of my favorite pairings:
Caesar Salad
I love that salad pairs so well with so many different meals. Soups and casseroles are my favorite meals to enjoy with a salad on the side and this keto caesar salad is one of my favorites.
Keto Dinner Rolls
There is just something about comfort food that brings up cravings for bread and biscuits. These keto dinner rolls are a delicious addition to this keto chicken casserole. Top them with a delicious homemade flavored butter and wow everyone at the dinner table.
Keto Cheesy Breadsticks with Garlic
If cheesy bread is your game, then you definitely need to try these cheesy breadsticks! These keto cheesy breadsticks with garlic make the perfect addition to this soup. You are going to love it.

What to Do with Leftover Keto Chicken Casserole
If you find yourself with leftover casserole, you are one of the lucky ones! This flavorful casserole is rich, but delicious so it tends to go fast! This casserole stores very well!
You can refrigerate it to enjoy in the next few days or you can freeze it to enjoy much later. The fact that it stores so well makes it a great choice for meal prep!
Refrigerate It
Store the leftover casserole in an airtight container in the fridge for up to 4 days. When you are ready to enjoy your leftovers, you can either heat them in the microwave or warm them up in the oven.
Freeze It
This casserole freezes well in an airtight container for up to 3 months. Perfect for meal prep! Be sure to take the casserole out of the freezer and place it in the fridge overnight to thaw out. Reheat in the oven or microwave.

Keto Chicken Casserole
Ingredients
- 3 cups riced cauliflower
- 3 cups cooked and shredded chicken
- 1 8 ounce package cream cheese, softened
- 1 cup sour cream
- 1 cup shredded sharp cheddar cheese divided
- ½ teaspoon garlic powder
- ½ teaspoon chili powder
- ½ teaspoon cumin
- ½ teaspoon salt
- ½ teaspoon pepper
For ranch avocado sauce:
- 1 avocado
- 1 1 packet dry ranch seasoning
- 1 cup sour cream
- ½ to 1 cup buttermilk depending on desired consistency
Instructions
- To make ranch avocado sauce: Place avocado, ranch seasoning, sour cream, and ½ cup buttermilk in food processor or blender. Blend (adding more buttermilk if needed). Refrigerate in an airtight container for up to 4 days.
- Preheat oven to 350 degrees F. Spray a 9×13 casserole dish with nonstick cooking spray.
- In a large bowl, mix together riced cauliflower, chicken, cream cheese, sour cream, ½ cup cheddar cheese, and seasonings.
- Transfer to a casserole dish and cover with remaining cheese.
- Bake for 30 minutes or until the cheese is golden on the edges and the casserole is bubbling.
- Garnish as desired with your choice of cubed avocado, sliced black olives, minced cilantro, diced tomatoes, etc.
- Serve with ranch avocado sauce.
Nutrition
Trina Krug is a Holistic Nutritionist, Integrative Health Coach and host of the Carbless Conversations Podcast. With a Master’s Degree in Complementary and Alternative Medicine, her single mission in life is to facilitate self-healing in herself and those around her through awareness, lifestyle shifts and low-carb eating. As a current Doctor of Science student, she continues her studies in functional nutrition.