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    Home » Recipes by Course » Main Dish Recipes » Healthy Chicken Cordon Bleu Casserole (Low Carb Keto)

    Healthy Chicken Cordon Bleu Casserole (Low Carb Keto)

    Published: Sep 20, 2020 · Modified: Feb 23, 2021 by seekinggoodeats · This post may contain affiliate links

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    Pinterest pinnable image of chicken cordon bleu in a cast iron skillet, and an image of baked casserole served on a white plate. Lot's of melted swiss cheese, chicken, ham, and veggies.

    Healthy Chicken Cordon Bleu Casserole is so GOOD and it's the perfect one-pot skillet dinner. Loaded with all your favorite cordon bleu ingredients plus delicious vegetables for freshness! A great way to use of leftover ham and chicken! This recipe is low carb, keto, and gluten-free.

    Completed baked casserole in a cast iron skillet. Melted swiss cheese, baked chicken and ham, veggies, with a dijon mustard sauce.
    Chicken Cordon Bleu Casserole right out of the oven | Seeking Good Eats
    Jump to:
    • Recipe Video
    • You'll ❤️ This Chicken Cordon Bleu Casserole
    • How to Serve It
    • What You'll Need
    • Step by Step Instructions
    • Top Tips
    • FAQs
    • More Casserole Recipes
    • 📋 Recipe
    • 💬 Comments

    Recipe Video

    You'll ❤️ This Chicken Cordon Bleu Casserole

    "I have always LOVED chicken cordon bleu but it always seems to take a little longer than I want to spend on a meal and I still had to make a side dish to go with it. Problem solved! This casserole version makes it easy to get that same taste PLUS get your veggies in a full meal, one pan from stovetop to oven." -Kori

    A One-Pot Casserole Meal

    I love that this is a one pot casserole made in your skillet. From stovetop to oven this is super easy.

    Make-Ahead Casserole

    Feel free to prep this casserole ahead of time. Follow the recipe instructions but don’t bake it.  When you are ready for dinner pull it out of the refrigerator about 20 to 30 minutes before baking. You’ll need to increase the baking time slightly if the casserole is still chilled.

    Alternatively, you can bake the casserole and store it in your refrigerator. Reheat the full casserole or individual portions until the casserole reaches 165 degrees.

    Low Carb and Keto

    Cordon bleu casserole is a healthy recipe with only 3.9 grams of carbs.

    The healthy fats in this recipe come from the chicken and ham, the cheeses, and olive oil. There are 22.6 grams of fat in this recipe.

    The full nutritional analysis of this recipe is included in the recipe card, but the most important for keto followers is:

    net carbs 3.9 g | fat 22.6 g | protein 37.2 g

    How to Serve It

    This cordon bleu casserole recipe is really a meal in one but here are some additional ideas of what you can serve as a side dish:

    A fresh green salad. Try our layered salad! It's a make-ahead salad that is perfect for get-togethers, but you can also make it for dinner one night then eat leftovers for the next few lunches!

    Roasted or steamed vegetables like broccoli, cauliflower, or green beans. Air fryer brussel sprouts are a quick an easy idea too!

    With riced cauliflower or riced broccoli.

    If you’ve got carb lovers in your house, this casserole is great with rolls or breadsticks.

    What You'll Need

    Here's what you'll need to make this recipe:

    Ingredients

    1 tbsp olive oil
    1/2 cup onion, diced (up to 1 cup onion)
    4 cups baby spinach
    1 medium zucchini, cut into 1/2" pieces (approx. 2 cups)
    4 cups chopped pre-cooked chicken (we used 22 oz frozen roasted diced chicken, thawed)
    2 cups cooked ham, diced (we used 1/2 a ham steak)
    4 oz cream cheese, softened
    3/4 cup sour cream
    1 tablespoon dijon
    1 teaspoon lemon juice
    1 teaspoon herbs de Provence, dried
    1 1/2 cups swiss cheese, shredded (reserve 1/2 cup for the top)
    1/4 tsp salt and pepper each to taste

    Tools

    • 12" cast iron skillet or similar sized baking dish
    • Measuring spoons
    • Mixing bowl
    • Whisk
    • Mixing Spoon

    Step by Step Instructions

    Here are the instructions for making Healthy Chicken Cordon Bleu Casserole:

    Preheat oven to 375 degrees F.

    In an oven-proof skillet, saute onions and zucchini in olive oil until soft. Add spinach and toss until wilted.

    Reduce heat to low. Add diced cooked chicken and ham and toss until warm. Turn off the heat.

    In a small bowl mix sour cream, cream cheese, dijon, lemon juice, thyme, salt, and pepper until blended. Pour over the top of the casserole and mix.

    Add 1 cup of the shredded swiss cheese and stir into the casserole. Do a quick taste test and add salt and pepper if needed.

    Top casserole with remaining 1/2 cup cheese. Finally, bake the casserole 18 to 20 minutes until the casserole is bubbly and the cheese is melted.

    4 part image depicting how to make chicken cordon bleu casserole. Please see recipe card for full instructions. Enjoy!
    Making chicken Cordon Bleu Casserole in a skillet | Seeking Good Eats

    Top Tips

    • Because of the variance of salt content amongst pre-cooked chicken and ham, you may not need to add salt or pepper. Do a taste test before you top the casserole with cheese. Adjust salt to your taste, starting with 1/4 teaspoon of salt and pepper. Add more if needed.
    • Always use freshly grated cheese! Pre-grated cheese in packages is coated with cellulose (a wood pulp) that absorbs moisture and prevents sticking of the cheese. Unfortunately, this also keeps the cheese from melting properly. Don’t you want the cheese to melt?
    • Feel free to substitute other vegetables. Keep the onions for flavor, but substitute squash, green beans, broccoli, or cauliflower if you have it. You can substitute kale for spinach but it will need to cook a little longer to be tender.
    • You can use raw chicken thighs or chicken breast if you don't have pre-cooked chicken. Saute the chicken in the skillet with the onions until it is done. From there continue on with the recipe instructions by adding zucchini then spinach, and so on. So good!

    FAQs

    How long will healthy chicken cordon bleu keep in the refrigerator?

    Cordon bleu casserole will keep 3 to 5 days in the refrigerator. It makes amazing lunch leftovers!

    What temperature should chicken be cooked to?

    The safe minimum cooking temperature of poultry is 165 degrees. Check the temperature with an instant-read thermometer at its center.

    What temperature should pre-cooked ham be cooked to?

    The USDA recommends that pre-cooked ham be cooked to 165 degrees.

    Can I freeze this casserole?

    Yes! You can freeze cordon bleu casserole. Transfer to a airtight freezer safe container and freeze for up to 3 months.

    Thaw in your refrigerator and reheat individual portions to 165 degrees.

    Is cordon bleu keto-friendly?

    Cordon bleu casserole is keto friendly with only 3.9 net carbs and 22 grams of fat coming mainly from the chicken, ham, cheeses, and olive oil .

    How can I lower the fat in this recipe?

    If you would like to lower the fat in this cordon bleu casserole without compromising flavor, you can use fat-free cream cheese, fat-free sour cream, use chicken breast instead of thighs, and try a lower fat diced ham.

    More Casserole Recipes

    Here are some more easy and delicious casserole recipes you can try! All our low carb, sugar-free, gluten-free, and keto recipes. Enjoy!

    • Leftover Ham Casserole
    • Zucchini Ground Beef Taco Casserole
    • Creamy Chicken and Asparagus Bake
    • Reuben Bake With Meatballs (Keto Reuben Casserole)
    • Chicken Fajitas Bake (Low Carb and Keto)
    • Low Carb Tuna Casserole (Keto Seafood Casserole)
    • 40+ Cast Iron Skillet Recipes (Low Carb and Keto)

    If you tried this recipe let me know! I'd love for you to come back and give the recipe a star rating and/or a review in the comments! 🙂 Let's stay connected, so please share photos of your creations with me and others on Instagram, Facebook, and Pinterest!

    📋 Recipe

    Healthy Chicken Cordon Bleu Casserole

    So delicious and it's the perfect one-pot skillet dinner. Loaded with all your favorite cordon bleu ingredients plus delicious vegetables for freshness, and mixed a creamy dijon sauce and swiss cheese.
    4.72 from 14 votes
    Prevent your screen from going dark
    Print Recipe Save Saved!
    Author Kori
    Prep Time 10 mins
    Cook Time 25 mins
    Total Time 35 mins
    Course chicken recipes
    Cuisine American
    Servings 8 servings
    Calories 377 kcal

    Ingredients
      

    • 1 tablespoon olive oil
    • ½ cup onion diced (up to 1 cup onion)
    • 4 cups baby spinach
    • 1 medium zucchini cut into ½" pieces (approx. 2 cups)
    • 4 cups chopped pre-cooked chicken we used 22 oz frozen roasted diced chicken,thawed
    • 2 cups cooked ham diced (we used ½ a ham steak)
    • 4 oz cream cheese softened
    • ¾ cup sour cream
    • 1 tablespoon dijon
    • 1 teaspoon lemon juice
    • 1 teaspoon herbs de provence dried
    • 1½ cups swiss cheese shredded (reserve ½ cup for the top)
    • ¼ teaspoon salt and pepper each to taste

    Instructions
     

    • Preheat oven to 375 degrees F.
    • In an oven-proof skillet, saute onions and zucchini in olive oil until soft. Add spinach and toss until wilted.
    • Reduce heat to low. Add diced cooked chicken and ham and toss until warm. Turn off heat.
    • In a small bowl mix sour cream, cream cheese, dijon, lemon juice, thyme, salt, and pepper until blended. Pour over the top of the casserole and mix.
    • Add 1 cup of the shredded swiss cheese and stir into casserole. Do a quick taste test and add salt and pepper if needed.
    • Top casserole with remaining 1/2 cup cheese. Bake 18 to 20 minutes until the casserole is bubbly and cheese is melted.

    Video

    Notes

    • Because of the variance of salt content amongst pre-cooked chicken and ham, you may not need to add salt or pepper. Do a taste test before you top the casserole with cheese. Adjust salt to your taste, starting with 1/4 teaspoon of salt and pepper. Add more if needed.
    • Always use freshly grated cheese! Pre-grated cheese in packages is coated with cellulose (a wood pulp) that absorbs moisture and prevents sticking of the cheese. Unfortunately, this also keeps the cheese from melting properly. Don’t you want the cheese to melt?
    • Feel free to substitute other vegetables. Keep the onions for flavor, but substitute squash, green beans, broccoli, or cauliflower if you have it. You can substitute kale for spinach but it will need to cook a little longer to be tender.
    • You can use raw chicken thighs or chicken breast if you don't have pre-cooked chicken. Saute the chicken in the skillet with the onions until it is done. From there continue on with the recipe instructions by adding zucchini then spinach, and so on. So good!

    Nutrition

    Calories: 377kcalCarbohydrates: 4.4gProtein: 27.2gFat: 22.6gCholesterol: 133.6mgSodium: 297.8mgFiber: 0.5gSugar: 1.3g

    © 2023 Seeking Good Eats™

    Try this healthy chicken cordon bleu casserole and you’ll be addicted. Your favorite cordon blue ingredients in a casserole recipe only much easier to make, plus fresh veggies are added! A one-pot skillet dinner from stovetop to oven. Using pre-cooked chicken and ham makes this an easy to make weeknight dinner. #cordonblue #casserole #lowcarb #keto #skillet #healthyrecipe #chicken #ham #swiss #onepot #dinnerrecipes #weeknight meal

    Reader Interactions

    Comments

    1. Pamela Bell says

      October 21, 2020 at 8:20 pm

      Why does it say "In a small bowl mix cream......" when cream isn't listed as an ingredient??? Help, cooking as we speak!!

      Reply
      • seekinggoodeats says

        October 21, 2020 at 9:25 pm

        no cream that's a typo! I apologize...it is corrected now. I am so sorry - I even re-read multiple times! 🙂

        Reply
      • seekinggoodeats says

        October 21, 2020 at 9:36 pm

        The ingredient list is correct, the "cream" was a typo in the instructions. No cream needed. Both the instructions and recipe card match now. Thanks for you patience. Hopefully all turned out well - this is a favorite recipe of mine 'cause I LOVE cordon bleu! LOL 🙂

        Reply
    2. Hali Harden says

      January 12, 2021 at 9:07 am

      Do you think this is saucy enough to serve over zoodles?

      Reply
      • Kori says

        January 12, 2021 at 9:25 am

        It's not pasta "saucy", but I actually just made this again last night and served it over riced cauliflower. It's not super saucy but it is nice to have the freshness of vegetables along with the casserole. You could still make zoodles but maybe toss them with a little olive oil or butter then season with salt and pepper. YOu could serve the casserole on top or on the side. 🙂

        Reply
    3. Molly W says

      February 09, 2022 at 8:00 pm

      I made this on a Wednesday! Prep and cleanup were a snap! While eating this my husband said “hey this is flavorful! I’m impressed.” And he fixed a second plate! Thank you for making mid-week date night dinner a SUCCESS! (PS: I made my own cooked chicken at home. I marinated 2 chicken breasts in lemon juice overnight.)

      Reply
      • Kori says

        February 23, 2022 at 10:57 am

        Super happy you loved this recipe! Thank you for giving it a try! It's one of my favorite casseroles! Love your idea for marinating in lemon juice! I'm sure this added some more brightness to the recipe. 🙂

        Reply
    4. tbrad425 says

      May 18, 2022 at 5:34 pm

      Wonderful recipe, big hit with my family!

      Reply
      • Kori says

        May 19, 2022 at 8:24 am

        Thank you! So glad you enjoyed it. It's one of my family's favorites!

        Reply

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    Hello! I'm Kori and I am a food LOVER. I've had a lifelong passion for cooking and eating (of course)! At some point that catches up with you, right? Older and wiser, I now watch what I eat more closely. What's the hardest and most frustrating part? Finding recipes that are healthy, easy to make, AND taste great.

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