Croque-monsieur sandwich

Cookinero 17 November 2022

Croque-monsieur "(croque-monsieur) - a traditional French hot sandwich with ham and cheese. It is often served for lunch or as a "snack".

How to cook Croque-monsieur sandwich

Step 1

Croque-monsieur sandwich

We prepare the necessary ingredients.

Step 2

Croque-monsieur sandwich

Preparing bechamel sauce. Melt the butter in a small saucepan.

Step 3

Croque-monsieur sandwich

Pour flour into a saucepan and quickly stir with a whisk. Cook over low heat, stirring constantly with a whisk, for one minute.

Step 4

Croque-monsieur sandwich

Pour milk in a thin stream, stirring constantly. Cook until thickened (the sauce should have the consistency of liquid semolina). Remove from heat, add salt, pepper, nutmeg and half of the grated cheese and leave for a while.

Step 5

Croque-monsieur sandwich

Toast the slices of bread in a toaster until golden brown and place on a baking sheet lightly greased with vegetable oil. Brush the bread with mustard and place cheese slices on top. Cover with ham and second slices of cheese.

Step 6

Croque-monsieur sandwich

Close with slices of bread. Spread béchamel sauce on top of sandwiches and sprinkle with remaining cheese. We put in an oven preheated to 205 degrees for 5 minutes.

Step 7

Croque-monsieur sandwich

After 5 minutes, move under the grill (another 3 minutes to brown the top of the sandwich. Serve for brunch, lunch, or even a "lazy dinner", preferably with a salad. Bon appétit!

Croque-monsieur sandwich - FAQ About Ingredients, Baking Time and Storage

Yes! While Gruyère is traditional, you can substitute it with Emmental, Swiss, or even sharp cheddar for a different flavor profile.
Leftovers can be stored in an airtight container in the refrigerator for up to 2 days. Reheat in the oven or toaster for best results.
Absolutely! Skip the ham and add sautéed mushrooms, spinach, or roasted vegetables for a delicious vegetarian alternative.
Reheat in a preheated oven at 350°F (175°C) for 5-7 minutes or until warmed through. Avoid microwaving, as it can make the bread soggy.
Yes! Assemble the sandwiches (without béchamel topping), wrap tightly in foil, and freeze for up to 1 month. When ready to eat, add the béchamel and cheese, then bake as directed.
A simple green salad, pickles, or roasted potatoes make great sides. For brunch, pair with a mimosa or fresh fruit.
Yes! Use gluten-free bread and ensure your flour substitute (like cornstarch or gluten-free flour) works for the béchamel sauce.
Replace the bread with low-carb bread or almond flour-based slices, and use a low-carb thickener (like xanthan gum) for the béchamel.
Lumps form if the flour isn’t fully incorporated. Whisk vigorously while adding milk, or strain the sauce through a fine sieve to remove lumps.
Yes! Assemble the sandwich, then air fry at 375°F (190°C) for 5-7 minutes until the cheese is melted and the top is golden.

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