Keto Chicken Cordon Bleu Casserole (Printable Version)

Creamy low-carb casserole with chicken, ham, and Swiss cheese in a rich mustard sauce.

# What You'll Need:

→ Proteins

01 - 4 cups cooked chicken breast, cubed or shredded
02 - 6 oz ham, diced

→ Dairy

03 - 8 oz Swiss cheese, shredded
04 - 4 oz cream cheese, softened
05 - 1/2 cup heavy cream
06 - 1/4 cup grated Parmesan cheese

→ Sauce & Seasonings

07 - 2 tbsp Dijon mustard
08 - 1/2 tsp garlic powder
09 - 1/2 tsp onion powder
10 - 1/2 tsp black pepper
11 - 1/4 tsp salt

→ Topping

12 - 2 tbsp almond flour
13 - 1 tbsp melted butter
14 - 1 tbsp chopped fresh parsley, optional

# Steps:

01 - Preheat oven to 375°F. Lightly grease a 9x13-inch casserole dish and set aside.
02 - In a large bowl, combine cooked chicken, diced ham, and half of the shredded Swiss cheese. Spread mixture evenly in the prepared casserole dish.
03 - In a medium bowl, whisk together cream cheese, heavy cream, Dijon mustard, garlic powder, onion powder, black pepper, and salt until smooth and well combined.
04 - Pour the sauce evenly over the chicken and ham mixture. Sprinkle with remaining Swiss cheese and Parmesan cheese.
05 - In a small bowl, mix almond flour and melted butter. Sprinkle mixture evenly over the top of the casserole.
06 - Bake uncovered for 25 to 30 minutes, or until the mixture is bubbly and the top is golden brown.
07 - Remove from oven and garnish with chopped parsley if desired. Serve immediately while hot.

# Expert Advice:

01 -
  • It tastes indulgent and restaurant-quality but comes together in under 45 minutes with minimal cleanup.
  • The mustard and cheese create a flavor profile so satisfying you won't miss the breadcrumbs or any carb-heavy side dishes.
  • It's naturally keto and freezer-friendly, making it perfect for meal prep when you need comfort food that actually fits your goals.
02 -
  • Don't skip softening your cream cheese before whisking—cold cream cheese will create lumps that no amount of stirring will fix, and you'll end up with a textured sauce instead of silky smooth.
  • If your oven runs hot, start checking at the 22-minute mark because the difference between perfectly bubbly and slightly over-baked is sometimes just minutes.
03 -
  • If you want an extra-crispy topping, broil for 2 to 3 minutes after baking—watch it constantly because it goes from golden to burnt surprisingly fast.
  • Use a rotisserie chicken from the grocery store to save 30 minutes of cooking time without any sacrifice in flavor or texture.
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