Croque Madame French Bistro (Print)

Crispy French bistro sandwich with ham, cheese, creamy béchamel, and fried egg

# What You’ll Need:

→ For the Sandwich

01 - 4 slices good-quality white sandwich bread
02 - 2 teaspoons unsalted butter, softened
03 - 4 slices cooked ham (approximately 3 ounces)
04 - 4 slices Gruyère or Emmental cheese (approximately 3 ounces)

→ For the Béchamel Sauce

05 - 1 tablespoon unsalted butter
06 - 1 tablespoon all-purpose flour
07 - 3/4 cup whole milk
08 - Pinch of ground nutmeg
09 - Salt and black pepper to taste
10 - 0.5 ounce grated Gruyère cheese (optional)

→ For Topping

11 - 2 large eggs
12 - 1 teaspoon unsalted butter

# How To Make:

01 - Preheat your oven to 400°F for optimal baking conditions.
02 - Melt 1 tablespoon butter in a small saucepan over medium heat. Stir in the flour and cook for 1 minute to form a roux. Gradually whisk in the milk until fully incorporated and smooth. Simmer for 2 to 3 minutes, stirring constantly, until the sauce thickens. Season with salt, pepper, and nutmeg. Stir in the grated Gruyère if using, then remove from heat.
03 - Lightly butter one side of each bread slice. Place two slices on a parchment-lined baking sheet, buttered side down. Layer each with 2 slices of ham followed by 2 slices of cheese.
04 - Spread 1 to 2 tablespoons of the prepared béchamel sauce evenly over the ham and cheese layers. Cover each sandwich with another bread slice, buttered side facing up.
05 - Spoon additional béchamel sauce over the top surface of each sandwich. Sprinkle with extra grated cheese if desired for enhanced flavor and browning.
06 - Bake in the preheated oven for 10 to 12 minutes until the tops are golden brown and the sauce is bubbling. For additional browning, switch to broiler mode for 1 to 2 minutes, watching carefully to prevent burning.
07 - While sandwiches bake, melt 1 teaspoon butter in a non-stick skillet over medium heat. Crack the eggs into the pan and fry until the whites are completely set but the yolks remain runny for optimal presentation.
08 - Remove the golden sandwiches from the oven. Transfer to serving plates and immediately top each with a freshly fried egg. Serve hot while the cheese remains melted and creamy.

# Expert Tips:

01 -
  • The contrast between the crispy toast and velvety béchamel is absolutely magical
  • It transforms simple ingredients into something that feels luxurious and special
  • The runny yolk creates its own sauce when you cut into the sandwich
02 -
  • The béchamel should be thick enough to coat a spoon but still pourable
  • Letting the sandwiches rest for two minutes after baking helps the layers set
  • Frying eggs gently over medium heat prevents the bottoms from getting too crisp
03 -
  • Grate extra cheese and keep it in the freezer for quick weeknight versions
  • Double the béchamel recipe and freeze half for faster assembly next time

Go Back