French · France
Classic French Croque-Monsieur with Béchamel
A traditional French sandwich featuring ham, Gruyère cheese, and a creamy béchamel sauce, baked to golden perfection.
35 minutes1 servings

Ingredients
Method
- Preheat oven to 375°F (190°C).
- In a saucepan, melt butter over medium heat. Add flour and stir to form a roux.
- Gradually whisk in milk, then add Dijon mustard. Cook until thickened.
- Season with salt and pepper.
- Assemble the sandwich with bread, ham, cheese, and pour the béchamel over the top.
- Sprinkle Parmesan on top and bake for 15-20 minutes until golden.