Keto Chicken Cordon Bleu Casserole – Creamy, Comforting, and Low-Carb
This Keto Chicken Cordon Bleu Casserole brings classic comfort to the table without the carbs. It’s creamy, cheesy, and packed with savory chicken and smoky ham, all baked under a golden, low-carb topping. You’ll get the same flavors you love from the traditional dish, but with a weeknight-friendly method and keto-friendly ingredients.
It’s easy to assemble, reheats beautifully, and feels special enough for guests. If you want a rich, satisfying meal that still fits your goals, this is it.
Ingredients
Method
- Preheat the oven to 375°F (190°C). Grease a 9x13-inch casserole dish with butter or avocado oil.
- In a saucepan over medium heat, melt the butter. Add garlic and cook for 30 seconds until fragrant.
- Whisk in the cream cheese until smooth and melty. Slowly add the heavy cream and chicken broth, whisking until the sauce is silky.
- Stir in the Dijon, onion powder, lemon juice, 1/2 teaspoon salt, and 1/4 teaspoon pepper. Simmer 2–3 minutes to thicken slightly.
- Remove from heat and stir in half of the shredded Swiss until melted. Taste and adjust seasoning.
- In the prepared baking dish, spread the chicken in an even layer. Scatter chopped ham over the top.
- Pour the cheese sauce evenly over the chicken and ham. Sprinkle the remaining Swiss over the sauce.
- In a small bowl, mix almond flour, Parmesan, smoked paprika, a pinch of salt, and a few grinds of pepper. Drizzle in 1 tablespoon melted butter (optional) and stir until crumbly.
- Sprinkle the topping over the casserole. Bake for 20–25 minutes, until bubbly around the edges and the top is golden.
- Let rest 5–10 minutes so it sets. Garnish with chopped parsley and serve warm.
Why This Recipe Works
- All the flavor, fewer carbs: Classic cordon bleu flavors—chicken, ham, Swiss, and a creamy sauce—without breading or flour.
- One dish, simple prep: Use rotisserie or leftover chicken to speed things up and cut down on cleanup.
- Perfect texture: A silky cheese sauce binds juicy chicken and ham, while a crispy almond-parmesan topping adds crunch.
- Balanced richness: Dijon mustard and a touch of lemon brighten the dish so it’s hearty, not heavy.
- Meal-prep friendly: Holds up well in the fridge and freezer with minimal flavor loss.
What You’ll Need
- Chicken: 4 cups cooked, shredded or cubed (rotisserie works great)
- Deli ham: 8 ounces, sliced and chopped (look for no-sugar-added)
- Swiss cheese: 8 ounces, shredded (Gruyère also works)
- Cream cheese: 8 ounces, softened
- Heavy cream: 1 cup
- Chicken broth: 1/2 cup (preferably low-sodium)
- Dijon mustard: 2 tablespoons
- Garlic: 2 cloves, minced (or 1/2 teaspoon garlic powder)
- Onion powder: 1/2 teaspoon
- Lemon juice: 1 tablespoon (fresh if possible)
- Butter: 2 tablespoons
- Almond flour: 1/2 cup (for topping)
- Grated Parmesan: 1/3 cup (for topping)
- Smoked paprika: 1/2 teaspoon (optional, for color and flavor)
- Salt and pepper: To taste
- Fresh parsley: 2 tablespoons, chopped (optional garnish)
Instructions
- Preheat the oven to 375°F (190°C). Grease a 9×13-inch casserole dish with butter or avocado oil.
- In a saucepan over medium heat, melt the butter.
Add garlic and cook for 30 seconds until fragrant.
- Whisk in the cream cheese until smooth and melty. Slowly add the heavy cream and chicken broth, whisking until the sauce is silky.
- Stir in the Dijon, onion powder, lemon juice, 1/2 teaspoon salt, and 1/4 teaspoon pepper. Simmer 2–3 minutes to thicken slightly.
- Remove from heat and stir in half of the shredded Swiss until melted.
Taste and adjust seasoning.
- In the prepared baking dish, spread the chicken in an even layer. Scatter chopped ham over the top.
- Pour the cheese sauce evenly over the chicken and ham. Sprinkle the remaining Swiss over the sauce.
- In a small bowl, mix almond flour, Parmesan, smoked paprika, a pinch of salt, and a few grinds of pepper.
Drizzle in 1 tablespoon melted butter (optional) and stir until crumbly.
- Sprinkle the topping over the casserole. Bake for 20–25 minutes, until bubbly around the edges and the top is golden.
- Let rest 5–10 minutes so it sets. Garnish with chopped parsley and serve warm.
How to Store
- Refrigerate: Cool completely, then cover tightly.
Store up to 4 days. Reheat at 325°F until warmed through, or microwave in 45-second bursts.
- Freeze: Portion into airtight containers and freeze up to 2 months. Thaw overnight in the fridge before reheating.
- Make-ahead: Assemble up to the topping, cover, and refrigerate 24 hours.
Add topping right before baking for best crunch.
Health Benefits
- Low in carbs: Skips breadcrumbs and flour, keeping net carbs low for a keto lifestyle.
- High in protein: Chicken and ham help support muscle repair and steady energy.
- Satiating fats: Cream, cheese, and butter increase fullness, which can help with appetite control.
- Customizable sodium: Using low-sodium broth and mindful seasoning helps you control salt intake.
- Nutrient boosters: Swiss or Gruyère provides calcium and vitamin B12; parsley adds a pop of vitamin K.
What Not to Do
- Don’t skip the rest: Cutting in too soon can make the casserole seem loose. A short rest helps it set.
- Don’t over-thin the sauce: Too much liquid will prevent the topping from crisping and can make the base watery.
- Don’t use sweetened ham: Check labels. Added sugars bump up carbs and can taste off in a savory bake.
- Don’t burn the topping: If it browns too fast, tent loosely with foil for the last 5–10 minutes.
- Don’t over-salt early: Cheese and ham are salty.
Season the sauce lightly, then adjust after tasting.
Alternatives
- Cheese swaps: Try Gruyère for a deeper flavor, provolone for mild melt, or a blend of Swiss and mozzarella for extra pull.
- Veggie boost: Add steamed broccoli, sautéed spinach, or riced cauliflower to the base for more volume and fiber.
- Dairy-light option: Use half heavy cream and half unsweetened almond milk, and reduce cheese by one-third. Thicken with 1/2 teaspoon xanthan gum if needed.
- Ham alternatives: Use turkey ham, Canadian bacon, or diced prosciutto. For pork-free, try smoked turkey slices.
- Crunch variations: Swap almond flour for crushed pork rinds or a mix of pork rinds and Parmesan for extra crisp.
- Spice it up: Add a pinch of cayenne or red pepper flakes to the sauce for gentle heat.
FAQ
Can I use raw chicken instead of cooked?
Yes, but cook it first.
Sauté bite-size pieces until just cooked through, or bake seasoned breasts at 400°F until they reach 165°F internal temperature. Let rest, chop, and proceed with the recipe.
Is Swiss cheese necessary?
No. Swiss brings classic flavor, but Gruyère, Jarlsberg, or even a Swiss–mozzarella blend works well.
Aim for a cheese that melts smoothly and isn’t too oily.
How can I lower the calories?
Use light cream cheese, reduce the shredded cheese by 25–30%, and swap half the heavy cream for unsweetened almond milk. Keep the almond-Parmesan topping, but use less butter.
What sides go well with this casserole?
Great options include a crisp green salad with a tangy vinaigrette, roasted asparagus, garlicky green beans, or sautéed zucchini. Keep sides simple to balance the richness.
Can I make it in a smaller dish?
Yes.
Halve the recipe and bake in an 8×8-inch dish. Check for doneness around 18–20 minutes, since smaller bakes can finish faster.
How many carbs are in a serving?
Exact numbers vary with brands and add-ins, but a typical serving lands around 4–6g net carbs. Scan your specific ingredients to calculate precisely.
Why is my sauce grainy?
Overheating can cause cheese to separate.
Keep heat moderate, add cheese off the burner, and whisk until just melted and smooth.
Can I make it nut-free?
Yes. Replace the almond flour topping with crushed pork rinds mixed with Parmesan and paprika. It stays crisp and keeps carbs low.
How do I prevent a watery casserole?
Avoid adding watery vegetables without pre-cooking them, and don’t overdo the broth.
Let the baked casserole rest so the sauce thickens and clings.
Does it reheat well?
Very well. Reheat covered at 325°F until warm, then uncover for a few minutes to re-crisp the topping. Individual portions reheat nicely in the microwave, too.
In Conclusion
Keto Chicken Cordon Bleu Casserole delivers classic comfort with smart swaps and straightforward steps.
It’s rich, satisfying, and flexible enough for busy weeknights or casual entertaining. With a creamy sauce, savory layers, and a crisp, low-carb topping, it’s the kind of dish you’ll want in regular rotation. Make it once, and you’ll have a new go-to for hearty, keto-friendly comfort food.
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