Chicken Cordon Bleu Casserole
This Chicken Cordon Bleu Casserole has been a reader favorite for years, earning hundreds of 5-star reviews for its creamy sauce and perfect keto-friendly topping. This easy chicken casserole delivers all the classic flavors of ham-wrapped chicken without the tedious rolling and breading.
I love chicken cordon bleu. After trying an incredible chicken cordon bleu at a fundraiser years ago, I knew I wanted to turn those flavors into an easy casserole. With chicken, ham, and Swiss cheese in a creamy Dijon sauce, you won’t miss the breading one bit. Since you aren’t coating or stuffing the chicken, it is quick and easy.
My casserole version was a hit with my family. I wasn’t sure if the kids would like the Swiss cheese (honestly, I’m not a huge Swiss cheese fan), but it worked so well with this flavor combination that everyone cleaned their plates.
Why you’ll love this recipe:
- Quick Prep: No rolling or stuffing required.
- Family Friendly: Even non-keto eaters crave this sauce.
- Meal Prep Ready: Tastes even better as leftovers the next day.
Tips for the Best Cordon Bleu Casserole
- The Chicken: Rotisserie chicken cuts prep time in half. Or bake chicken tenderloins, drain the liquid, and then use those in this recipe (no shredding required).
- Dry Chicken: One of the most important things for this recipe is to make sure the chicken is nice and juicy. If the chicken is juicy, the casserole will be too. If you are starting with dry chicken, I recommend making 1.5 times the sauce to compensate. Or even doubling it.
- The Sauce: If the sauce is too thick, whisk in a tablespoon of heavy cream until smooth.
- Cheese: I’ve had readers substitute in other mild cheeses like provolone, mozzarella, or Havarti, so feel free to tailor this to your family’s tastes.
- The Topping: For that signature crunch without the carbs, I recommend crushed pork rinds or almond flour mixed with butter and seasoned with garlic salt.
- Preventing Breakage: Make sure your cream cheese is softened to room temperature before mixing to ensure a velvety consistency.
The Best Creamy Keto Sauce for Cordon Bleu
We love this creamy lemon sauce on our Chicken Cordon Bleu Casserole. It is rich with butter and cream cheese, and the lemon juice, mustard, and white wine really help the flavors to pop.
Sometimes I just make the sauce and drizzle it on chicken tenders or vegetables.
How to Make Chicken Cordon Bleu Casserole
First Step: Grease a 9 x 13 baking dish. Layer cooked chicken and ham in the casserole dish.
Second Step: Make the sauce. Season it to taste with salt and black pepper. It is easiest to mix the sauce with an electric mixer. Spread it on top.
Do I really need a whole stick of butter?
This is the most common question I get about this recipe. Yes, I do use 4 ounces, or one stick, of butter. Mix the room temperature sauce ingredients until smooth, and the butter will not separate.
Third Step: Layer on the cheese.
Fourth Step: Bake in the preheated oven until hot, bubbly, and golden. You can broil it for a minute or two at the end to brown the cheese. Watch it closely.
Storage
Store leftovers in the fridge for 4-5 days in an airtight container or covered with plastic wrap. The flavors develop further in the refrigerator, so it’s great to make ahead and reheat. I reheat individual portions in the microwave.
You can freeze this. Prep the casserole, but don’t bake. Cover with foil. Put in the freezer for up to 2 months. Let thaw overnight in the fridge and then bake as directed. This is ideal for busy nights!
Want an even faster version of this easy dinner recipe? Try my Skillet Chicken Cordon Bleu.
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Chicken Cordon Bleu Casserole
Ingredients
- 6 cups shredded cooked chicken (from about 2 lb chicken)
- 6 oz ham cut into bite size pieces
- 4 oz butter melted
- 6 oz cream cheese softened
- 1 tbsp dijon mustard
- 1 tbsp white wine (optional)
- 1 oz lemon juice
- 1/2 tsp salt
- 5 oz swiss cheese
Instructions
- Preheat the oven to 350. Put the chicken in the bottom of a 9 x 13 baking dish. Layer the pieces of ham on top.
- In a large bowl with an electric mixer combine the melted butter, softened cream cheese, white wine (if using), mustard, lemon juice, and salt. Blend until a thick sauce forms. Spread this sauce over the chicken and ham in the baking dish.
- Lay the slices of swiss cheese on top of the sauce. Bake for 30-40 minutes until hot.
- I broiled it for 2 minutes at the end so the cheese would get more golden and bubbly. If you decided to do that do not leave it unattended. It’s very easy to burn the cheese topping.
Notes
Nutrition
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Originally Published August 31, 2016. Revised and Republished on November 10, 2025.
Looks amazing!! Just printed out and will let you know how I like!!
Yummm! Had this for dinner last night with cauliflower rice, added broccoli to the casserole. It was delicious! Everyone loved it. Definitely going to serve this again.
This is me and my husband’s absolute favorite dinner. It tastes like it should be so wickedly indulgently bad for you, but is healthy and filling. Thank you!!!
Made this for dinner tonight as a trial run for making and taking to my niece tomorrow. I used a very juicy rotisserie chicken and a little more Dijon than called for, and NO salt since chicken is pretty salty on its own. My husband thought it was very good, although I thought it a little drier than I like. I will definitely make tomorrow and double the sauce, maybe even double & a half the sauce. With that said, it is definitely a keeper! Thanks for the recipe.
Can you make this ahead and either refrigerate or freeze?
Yes. Just make sure your shredded or cubed chicken is very moist. Don’t use dry chicken.
Absolutely delicious!! I used meat from a homemade rotisserie chicken and then thick sliced ham (instead of the lunch meat). We will be adding this to our meal rotation for sure!
This was absolutely DELICOUS! I used left over ham rather than sandwich meat and didnt have swiss cheese so I used a mixture of gouda, American and white cheddar. The sauce was delicious and the kids loved it! I will definitely be making this again.
Oh my, this was amazing thank you thank you!
So I am on vacation, my friend asked me to throw something together for a dinner party and she is keto dieting. I made this recipe and it went over very well everyone really enjoyed it. One of the guests even asked for the recipe… It is also very inexpensive it cost about $25 to feed 7 people, I steamed broccoli as a side dish. Thanks!
Wow! I only wish I made two pans of this! Thank you so much for this delicious and filling recipe. My family loved it! I can’t wait to try more of your recipes.
Chicken Cordon Bleu is my husband’s absolute favorite dish. So much so that we had it at our wedding reception. 🙂 I made this recipe for dinner last night, and it is definitely a keeper! It is so delicious that I even ate a serving of the leftovers for breakfast this morning! I added it to our meal rotation board before I even finished my dinner last night!
I cooked my chicken breasts in the Instant Pot while I prepped the rest of the ingredients and the sauce. The only thing I would do differently, and this was my own fault, is after I shred the chicken I will add the broth back to the chicken (and then drain it again) to add moisture.
Thank you, Taryn, for a wonderful recipe that I will be making over and over again!
Is it normal for there to be a 1/2 inch layer of clear yellow liquid at the bottom of the dish? It is soo much. Kinda bummed it separated so much, is that normal?
No, that’s not normal. The butter should not separate and pool. Did you mix the sauce thoroughly? Did you use fresh chicken or frozen chicken?
I’ve made this several times and we all love it, but I’ve had the same problem. Sometimes it’s okay when I make it, but it separates badly when warming leftovers. Other times, it separates when I first make it. I use fresh chicken and try to make sure all the ingredients are dry when they are mixed together. I mix the sauce in a blender or in a bowl with a mixer. It doesn’t seem to matter.
Try adding a pinch of xanthan gum. We have never had ours separate but we don’t normally have leftovers with this one. Xanthan gum will definitely help.
Second time making this. So good with asparagus as the side
I added crushed plain pork rinds to the top to give it that crunchy breading texture that regular chicken cordon bleu has. This was so tasty and different from all the other keto recipes in my repertoire.
Fantastic idea!! We live in a cabin on a mountain so I don’t have the rinds yet…but I will buy some for next time!
What can I use in place of cream cheese, it doesn’t a agree with me.
Another soft, mild-flavored cheese like ricotta or mascarpone.