Chicken Cordon Bleu in a Creamy Mustard Sauce, Low Carb, Keto

Chicken Cordon Bleu Casserole with Creamy Mustard Sauce, Low Carb, Keto

If there were blue prize ribbons for the best casserole, we would bet this would take the prize! It is a combination of creamy, cheesy, melty, and perfectly rich flavors! Chicken, ham, swiss cheese, and a hint of dijon mustard! Even those who are not low carb will want this dish often. Super quick and easy to prepare, just the way we like it. 
Prep Time 20 mins
Cook Time 50 mins
Resting Time 20 mins
Total Time 1 hr 10 mins
Course Main Course
Servings 6 servings
Calories 713 kcal


  • 3 med-large chicken breast, diced, cooked
  • 8 oz ham, trimmed, diced
  • 12 oz swiss cheese, slices, cut into pieces

Creamy Mustard Sauce

  • 2 cups heavy whipping cream
  • 2 large eggs
  • 2 tbsp dijon mustard
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • 1 tsp dried parsley flakes
  • 1 tsp sea salt
  • 1/2 tsp black pepper


  • 1-1.5 ounces pork rinds
  • 1 cup parmesan cheese, grated
  • 1 tbsp butter, cut into pieces
  • 1 tbsp dried parsley flakes


Cooking Chicken, if needed

  • Dice 3 chicken breast and sprinkle with sea salt and pepper to taste. Place in a preheated skillet with about 1 Tbsp olive oil. Stir to coat with oil and cook until done. Remove from oil and set aside.
  • Grease a 9 x 12 baking pan.
    Preheat oven to 350 degrees F for low altitude, 375 degrees F for high altitude

Casserole Preparation

  • Dice ham.
    Dice cheese.
  • Combine sauce ingredients (hwc, eggs, mustard, seasonings) into a large mixing bowl. Whisk until well combined.
  • Add meats and cheese to the sauce.
    Pour into greased 9x12 baking dish or line baking dish with parchment paper for easy cleanup.

Casserole Topping

  • Combine pork rinds, parmesan cheese, butter, and parsley into a food processor. 
  • Pulse until the mixture resembles fine bread crumbs.

Final Preparation

  • Place pork rind mixture on top of meat, cheese, and sauce mixture. Spread topping evenly. Place in preheated oven and bake for about 45-50 minutes.
  • Remove from oven and allow to sit for about 15-20 minutes. Serve and we hope you enjoy.


You'll see a bit more butter in the picture. I was not paying attention and used too much, be sure to use just 1 Tbsp. It still came out really good so if you like butter, go for it.
Some people have asked how they know if they live at a high altitude. Typically if you are at approx. 5,000 ft or higher you are at a high altitude and need to adjust accordingly. Not sure? Use Google and type in the name of your city and state and then the word altitude and the result should be the altitude for where you requested. We live at a high altitude so I am constantly having to adjust for this. We moved from a low altitude city. Not a huge adjustment but it does require some here and there.
Macros are based on 6 equal servings.
Brands We Used
Ham Brand: Niman Ranch
Heavy Whipping Cream: Kalona
Pork Rinds: 4505 Chili and Salt Flavor
Swiss Cheese: 365 Slices
Chicken Breast: 365 brand
Dijon Mustard: Westbrae
Spices/Seasonings: Frontier
Butter: Vital Farms, Salted
Eggs: Local, Farm Fresh, Organic
Keyword Casserole, Chicken, Chicken Cordon Bleu, Creamy Mustard Sauce, Dinner, Keto, Low Carb, Main Dish, Quick Preparation

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