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Keto Cheesy Chicken Broccoli Casserole

If cheese is your love language, you are going to love this cheesy Keto Chicken Broccoli Casserole! It is bursting with cheesy goodness and wonderfully flavorful chicken and broccoli.

closeup of small white bowl containing a serving of keto chicken broccoli casserole

I’m not quite sure what else to say about this casserole other than IT IS SO GOOD. It’s cheesy, creamy, perfectly seasoned, super easy to make, and a dish the whole family will adore. Okay, I guess I had quite a few other things to say about it. 😉 There is a lot to love about this recipe and I am certain it will become a favorite in your household like it is in ours!

Why You’ll Love This Recipe

  • It uses kitchen staples. No fancy ingredients here; just basics like chicken, broccoli, cream cheese, mozzarella cheese, garlic powder, and more.
  • It pairs easily with a non-keto side for family members who aren’t on keto. For your non-keto family members, serve this keto casserole with a side of white or brown rice for a super simple meal.
  • It also pairs easily with a side salad. Amp up the veggie content of your meal by serving this with a simple side salad.
  • Each serving contains only 5g net carbs.
  • It is SO good. Need I say more?! 🙂

Ingredients Needed for this Cheesy Keto Chicken Broccoli Casserole

Ingredient quantities for the keto chicken casserole are located in the recipe card at the end of the post.

  • Broccoli florets – preferably fresh, but you can also use frozen
  • Cooked chicken breast – you can prep this up to 3-4 days in advance, if desired
  • Cream cheese
  • Sour cream
  • Mozzarella cheese
  • Parmesan cheese
  • Heavy whipping cream
  • Dijon mustard
  • Garlic powder
  • Salt and pepper

How to Make Keto Cheesy Chicken Broccoli Casserole

This is just a quick overview of how to make low carb chicken broccoli casserole. For the recipe in detail, scroll to the recipe card at the end of the post.

Assemble all ingredients and cook your broccoli.

TIP: It’s best to use fresh broccoli (it will give the best flavor and a firmer structure to the casserole), but you can use frozen broccoli if you’re in a pinch.

overhead view of broccoli, chicken breast, and spices in bowls

Then create the cheese sauce. Try not to eat it off the spoon! 😉

TIP: This cheese sauce can be used for other dishes. It’s great to make as a sauce for broccoli or cauliflower!

keto cheese sauce dripping off a kitchen utencil

Stir in chopped, cooked chicken breast and steamed broccoli.

overhead view of dish containing broccoli, chicken breast, and cheese sauce

Transfer to a baking dish, top with remaining mozzarella cheese, and bake. Out comes this beauty…

keto chicken broccoli casserole in a white casserole dish

Portion into individual servings and enjoy!

side view of individual portion of keto chicken broccoli casserole in a white bowl

Other Keto Casseroles You May Enjoy

Love casseroles? Me too! Check out some of these other keto casserole recipes:

Nutrition Facts for Keto Chicken Casserole

Per serving (six total):

  • 380 calories
  • 25g fat
  • 32g protein
  • 5g net carbs

closeup of a spoon containing a spoonful of keto chicken broccoli casserole

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keto chicken broccoli casserole in a white casserole dish

Keto Chicken Broccoli Casserole

If cheese is your love language, you are going to love this cheesy Keto Chicken Broccoli Casserole! It is bursting with cheesy goodness and wonderfully flavorful chicken and broccoli.
Print Pin Rate
Course: Dinner, Lunch
Cuisine: American, Western
Keyword: keto chicken casserole, low carb chicken casserole
Prep Time: 10 minutes
Cook Time: 35 minutes
Total Time: 45 minutes
Servings: 6
Calories: 380kcal

Ingredients

  • 9 oz fresh broccoli florets
  • 4 oz cream cheese
  • 1/3 cup sour cream
  • 1/2 cup heavy whipping cream
  • 1 tbsp Dijon mustard
  • 1 tsp garlic powder
  • 1 tsp salt
  • 1/2 tsp pepper
  • 1 cup shredded mozzarella cheese divided
  • 1/2 cup Parmesan cheese
  • 3 cups cooked chicken breast chopped

Instructions

  • Preheat oven to 400° F.
  • Place broccoli in a large bowl with 1-inch water. Microwave on HIGH for 14 minutes or until broccoli is tender. Drain water from broccoli; set aside.
  • In a large nonstick skillet over medium heat, heat cream cheese, sour cream, heavy cream, and Dijon mustard until melted and thoroughly combined. Stir in garlic powder, salt, and pepper. Add 1/2 cup mozzarella cheese and Parmesan cheese. Stir until melted. Remove from heat and stir in chopped, cooked chicken breast and drained broccoli.
  • Transfer mixture to an 8- x 8-inch baking dish. Sprinkle top with remaining 1/2 cup mozzarella cheese.
  • Bake at 400° for 15 minutes or until cheese is melted and lightly browned.

Notes

This recipe tastes best with fresh broccoli florets. However, if you would prefer to use frozen broccoli florets, omit step 2 and instead follow the instructions on the package to prepare the broccoli. Once cooked, drain water from the broccoli and set aside.
Nutrition Facts
Keto Chicken Broccoli Casserole
Amount Per Serving
Calories 380 Calories from Fat 225
% Daily Value*
Fat 25g38%
Saturated Fat 14g88%
Cholesterol 135mg45%
Sodium 811mg35%
Potassium 400mg11%
Carbohydrates 6g2%
Fiber 1g4%
Sugar 2g2%
Protein 32g64%
Vitamin A 1096IU22%
Vitamin C 38mg46%
Calcium 269mg27%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.

Nutrition Disclaimer



Nutrition facts are included as a courtesy only. They are accurate to the best of our knowledge based on the ingredients and brands used, but their accuracy is not guaranteed. If applicable, sugar alcohols have already been removed from the total carb count.

2 Comments

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  • I don’t understand why your picture of the baking dish shows the eggs unbroken when obviously they should be combined with the cream BEFORE adding the other ingredients… I think that would be confusing for some folks.

    • Hi Kathy, Thank you for your feedback! For some reason your comment ended up on the wrong post – I think you were referring to the Keto Smoked Salmon Breakfast Casserole. I understand your point and can see how that would be confusing. It was a photo mistake that I didn’t catch, and I’ve removed the photo in question so it fits with the directions.

Welcome! I’m Jessica.

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