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This Keto Chicken Cheese Bake is loaded with tender pieces of chicken, mushrooms, bacon and spinach in a decadent cream sauce.

Whether you are eating low-carb or not, who wouldn’t be excited to see this hot and bubbly Keto Chicken Cheese Bake on the dinner table — just waiting to be served?
This Keto Chicken Cheese Bake has a generous amount of chicken in every bite, smothered in a decadent, creamy sauce with baby spinach, bacon, four (!) kinds of cheese, mushrooms and fresh garlic.
If you’ve tried some of my husband Jack’s earlier recipes, then you already know that this easy, low-carb casserole is seasoned to perfection. (He’s SO good at combining different flavors and seasonings!)
The sauce in this dish has been seasoned with Colman’s dry mustard (we love the kick), white pepper, onion powder, garlic powder, and paprika, plus a dash of hot sauce helps cut the richness and adds a subtle bright note.
To make this Keto Chicken Cheese Bake even easier, we used a rotisserie chicken from our local market — but you can roast or poach a chicken at home, then shred or dice it for this recipe.
I will note that this Keto Chicken Cheese Bake is quite rich — but that is one of the hallmarks of a keto diet — and a little goes a long way in filling you up. We suggest serving our Keto Chicken Cheese Bake with a big bowl of salad greens or more fresh spinach on the side.
You may enjoy these other Low-Carb recipes:
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Keto Chicken Cheese Bake
Ingredients
1 pound bacon
8 ounce package cream cheese
1/2 cup grated Parmesan cheese
1 1/2 cups sharp cheddar cheese, shredded
1/3 cup avocado mayonnaise
1 cup heavy cream
1/2 teaspoon hot sauce, we used Cholula
1 teaspoon dry mustard
1/2 teaspoon white pepper
1/2 teaspoon garlic powder
1/2 teaspoon onion powder
1/2 teaspoon paprika
1 store bought cooked rotisserie chicken, meat removed and chopped into bite sized pieces
1 1/2 cups red onion, diced
8 ounces baby bella mushrooms, sliced
1 tablespoon fresh garlic, minced
8 ounces baby spinach
2 cups mozzarella cheese, shredded
Instructions
Preheat oven to 375 degrees F.
In a large skillet, cook bacon to crisp, remove to paper towels and reserve three tablespoons of bacon fat.
While the bacon is cooking, in a medium sauce pan, place cream cheese, Parmesan cheese, cheddar cheese, avocado mayonnaise, heavy cream, hot sauce, mustard, pepper, garlic powder, onion powder and paprika.
Cook over medium heat and stir with a wooden spoon until creamy.
Crumble bacon and add to the cream mixture.
Clean skillet and add two tablespoons of the bacon fat and saute onions over medium high heat for three minutes.
Add the remaining tablespoon of bacon fat and add the mushrooms and saute for five minutes.
Add the garlic and spinach and toss to coat the spinach and cook until wilted, about two minutes.
Add the cream mixture and cooked chicken and heat then pour into an 8X12 inch casserole dish.
Sprinkle on the two cups of mozzarella cheese and bake for 20 minutes.
Place under the broiler and brown, 1-2 minutes.
Let sit ten minutes to set up and serve 10 portions.
There will be a little liquid on the bottom which will eventually absorb into the mixture. We spooned a little over each portion.
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Just made this recipe, I’ll be honest, the prep time was more like 45-50 mins, but very tasty. I really needed a recipe with high fat content as it’s really hard to get my fat macros. Other than the prep it takes to make this dish it was great
Thanks for taking the time to share your feedback Antwaun – we’re glad you enjoyed the recipe in the end.
This recipe looks and sounds delicious. We are just not cooked spinach people.
Any recommendations for using another veggie instead?
Hi Barbie – You can use any type of greens that you like – kale, swiss chard, etc – but just keep in mind that those greens take longer to cook than spinach so you’ll need to adjust the cooking time in that step. And, also recalculate the carbs based on what changes you make.
Oh I love this recipe! The perfect treat for cold, Winter evenings! I need to be more adventurous with Keto chicken dishes, a bake would be perfect for all the family to enjoy too! I will be looking out for avocado mayo too, don’t think I have seen it in our big Tesco. Would it still be ok just to use normal mayo? Sim x
Sure Sim – Avocado mayo has more fat, but regular mayo will work too – just make sure there aren’t any hidden ingredients or sugars that might add some unexpected carbs.
I am going to make this week. I was wondering if it will freeze well, once it has been cooked? There are only 2 in my household and with 8 svg we get tired of the food before we eat it all.
Hi Beth – The creamy sauce may separate a bit once frozen and thawed – but if that doesn’t bother you, you could freeze it.
Doing keto, I am always looking for new recipes. With kids on a weekday it did take a little longer to prepare but it was totally worth it. And the ingredients, while I questioned the combination, blended so well. Flavorful, filling and enjoyed by everyone. Thank you thank you!
Glad you enjoyed the recipe Julie!
This recipe is delicious and hardy! Will add as a staple in our household!
Glad you enjoyed the recipe Shelly!
Hello- Do you think I vcan make this with a few chopped up RAW pieces of chicken? Or does the chicken have to be pre-cooked?
The thing with chicken is that you should cook it for a short time or a long time or it will be tough. Also in the mixture it would steam and may get tough or not cook all the way through. I would cut up the raw chicken into bite sized chunks and add to the pan when you cook the mushrooms. (Add an extra tablespoon of bacon fat so they cook without sticking). Then just continue on with the recipe.
I made this for dinner last night and we absolutely loved it. Mine turned out very rich and creamy, not runny whatsoever. As a matter of fact, I am going to a get together on Saturday and have been trying to figure out what to take. My boyfriend suggested I halve the recipe (minus the mushrooms and with the chicken cut into smaller pieces) and take it as a dip with crackers or scoops. He couldn’t be more right! I know it will be a hit. Thank you for such a wonderful recipe!
Great idea Cindy! So glad you are enjoying the recipe!
What can I use instead of bacon? I don’t eat pork.
I’m really not sure Franca…I suppose you could try either turkey bacon or vegan bacon?
Devious, cook this last week, awesome, leftovers tonight better. Definitely a keeper!
Glad you liked the recipe Darlene!