Chicken Cordon Bleu Lasagna

The idea hit me on a Tuesday evening while staring at leftover chicken and half a pack of deli ham in the fridge. Somewhere between wanting comfort food and craving something with a little flair, this mashup of cordon bleu and lasagna was born. My kitchen smelled like a French bistro collided with an Italian nonnas kitchen, and honestly, nobody complained.

My neighbor Dave wandered over while this was in the oven and ended up staying for three slices and a second helping of stories about his time working at a diner in Vermont. The golden cheese crust had barely settled before the pan was half gone, and my wife was already texting her sister the recipe.

Ingredients

• Cooked chicken breast (3 cups, shredded or diced): Rotisserie chicken works wonders here and saves you a step on busy days.
• Deli ham (8 oz, thinly sliced): A good quality black forest ham adds a subtle smokiness that elevates the whole dish.
• Swiss cheese (2 cups, shredded): This is the soul of the cordon bleu flavor, so do not skip it or substitute with something mild.
• Mozzarella cheese (1 cup, shredded): Provides that irresistible stretchy cheese pull everyone fights over.
• Parmesan cheese (half cup, grated): Aged Parmesan gives the top layer a savory, golden crust that cracks beautifully.
• Lasagna noodles (12 sheets): No boil noodles save time, but regular noodles cooked al dente hold their shape a bit better.
• Unsalted butter (3 tbsp): The foundation of your bechamel, so use real butter, not a substitute.
• All purpose flour (3 tbsp): This creates the roux that thickens your sauce to silky perfection.
• Whole milk (3 cups): Whole milk makes the creamiest sauce, and skim simply will not give you the same result.
• Dijon mustard (2 tsp): This is the secret ingredient that ties the cordon bleu theme together beautifully.
• Garlic powder (half tsp) and onion powder (half tsp): Gentle background seasonings that support without overwhelming.
• Salt (half tsp) and black pepper (quarter tsp): Season to taste, as ham and cheese already bring sodium to the party.
• Fresh parsley (2 tbsp, chopped): Optional, but a sprinkle of green at the end makes it look as good as it tastes.

Instructions

Preheat and prep the dish:

Set your oven to 375 degrees F and grease a 9 by 13 inch baking dish with butter so nothing sticks later.

Cook the noodles if needed:

If using regular noodles, boil them until just al dente, then drain and lay them flat so they do not clump together.

Start the bechamel:

Melt the butter in a saucepan over medium heat, then whisk in the flour and let it cook for a minute or two until it smells nutty.

Build the creamy sauce:

Pour in the milk gradually while whisking constantly, and keep stirring until the sauce thickens enough to coat the back of a spoon, about five minutes.

Season the sauce:

Stir in the Dijon mustard, garlic powder, onion powder, salt, and pepper, then pull it off the heat and take a moment to appreciate how good your kitchen smells.

Begin layering:

Spread a thin blanket of bechamel across the bottom of the dish, then lay down noodles, half the chicken, half the ham, a third of the Swiss, and more sauce.

Build the second layer:

Repeat the same sequence with noodles, the remaining chicken, the remaining ham, more Swiss, and another generous spooning of sauce.

Finish with the topping:

Crown it all with a final layer of noodles, the rest of the sauce, the mozzarella, and a thorough dusting of Parmesan.

Bake covered:

Wrap the dish tightly in foil and bake for 30 minutes so the flavors meld and the noodles soften into the sauce.

Brown the top:

Peel off the foil and bake another 15 to 20 minutes until the cheese is bubbling and golden in spots that look almost too pretty to cut into.

Rest and serve:

Let it sit for 10 minutes before slicing so the layers hold together, then garnish with parsley if you want that pop of color.

Pin

This dish earned a permanent spot in our holiday rotation after my mother in law, a woman who rarely compliments anything, asked for seconds and then quietly packed a slice to take home.

Serving Ideas That Actually Work

A crisp green salad with a sharp vinaigrette cuts through the richness like nothing else, and a chilled glass of Chardonnay alongside turns a casual dinner into something that feels intentionally special.

Making It Your Own

Try swapping the Swiss for Gruyere if you want a deeper, nuttier flavor that feels a little more grown up. Smoked turkey stands in beautifully for the chicken when you want to change things up without losing the spirit of the dish.

Storage and Reheating

Cover leftovers tightly and refrigerate for up to three days, or freeze individual portions for those nights when cooking feels impossible.

• Reheat in the oven at 350 degrees F rather than the microwave to keep the cheese crust intact.
• Let frozen portions thaw overnight in the fridge for the best texture.
• Always remember that leftovers often taste even better the next day when the flavors have had time to mingle.

Pin

Some recipes feed people, and this one brings them back for more with barely a word spoken between bites. That silence at the table is the highest compliment a cook can receive.

Recipe Questions & Answers

→ Can I make this ahead of time?

Absolutely. Assemble the entire dish up to 24 hours in advance, cover tightly, and refrigerate. Add 10-15 minutes to the covered baking time if baking cold from the refrigerator.

→ Can I freeze Chicken Cordon Bleu lasagna?

Yes, freeze before baking. Wrap the assembled dish tightly in plastic and foil for up to 3 months. Thaw overnight in the refrigerator before baking as directed.

→ What can I substitute for Swiss cheese?

Gruyère offers a slightly nuttier, richer flavor. Emmental or Fontina also work well. Avoid very soft cheeses as they may make the layers too runny.

→ Do I need to cook no-boil noodles first?

No, no-boil noodles go directly into the dish. The béchamel sauce provides enough moisture for them to cook properly during baking.

→ How do I know when it's done?

The cheese should be melted and bubbly with golden-brown spots. A knife inserted in the center should come out hot. The internal temperature should reach 160°F (71°C).

→ Can I use leftover rotisserie chicken?

Perfect use for rotisserie chicken. Simply shred or dice the meat and layer as directed. One rotisserie chicken typically yields about 3-4 cups of meat.