Air Fryer Recipes


Croque Madame is a delectable toasted sandwich filled with ham and creamy Mornay sauce and topped with a sunny side-up egg. It’s a perfect brunch sandwich for any weekend. 

  • Author: Beth Pierce
  • Prep Time: 20
  • Cook Time: 20
  • Total Time: 40 minutes
  • Yield: 4
  • Category: breakfast
  • Method: stovetop
  • Cuisine: French



  • 2 tablespoons unsalted butter
  • 2 tablespoons all purpose flour
  • 1 1/4 cups milk warmed
  • 3/4 cup shredded gruyere cheese
  • 1/4 cup grated Parmesan cheese
  • Salt and pepper to taste
  • 1–2 pinches nutmeg (optional)


  • 8 slices bakery quality white bread
  • 4 teaspoons Dijon mustard
  • 8 thin slices deli style ham
  • 4 large eggs
  • salt and pepper to taste

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  1. In a saucepan over medium heat, melt the butter.  Whisk in the flour and cook for 2-3 minutes, whisking constantly. Slowly whisk in the milk and simmer over low heat until slightly thickened, approximately 8-10 minutes. Whisk frequently to prevent lumps and scorching.
  2. Remove from heat and whisk in the cheese in 3 parts. Season with salt and pepper to taste and if desired, 1-2 pinches of nutmeg. Cover to keep warm while you assemble the sandwiches.
  3. Prepare the sandwiches on a large baking sheet covered with parchment paper. On 2 toasted bread slices, spread a thin layer of Dijon mustard.  Place 2 slices of ham on 1 slice.  Spoon 2 heaping tablespoons of Mornay sauce over the ham.  Top with the other slice of toast with the Dijon side down. Top the whole sandwich with 2 tablespoons of Mornay sauce.  Repeat preparing the other 3 sandwiches.
  4. Cook 4 eggs sunny side up in a nonstick skillet.  Place the baking sheet in the oven under the broiler. Broil until lightly browned. Stay close by, as broilers are unpredictable. Top each sandwich with one sunny-side-up egg. Sprinkle with salt and fresh ground black pepper to taste. Serve immediately.


  • If your mornings are crazy busy like mine, give yourself a break and make the Béchamel Sauce ahead of time.
  • Use good quality cheese, bread, and ham. It really does make a difference.
  • Watch the sandwich closely under the broiler. Broilers are very unpredictable, and you don’t want all this work gone to waste.
  • You can top the sandwich with poached, over easy, or sunny-side-up eggs.
  • To make it a Croque Monsieur sandwich, leave off the egg. Voila!
  • Serve promptly so everything is warm, and the bread is still crusty.

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