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Authentic French Croque-Monsieur

Croque-Monsieur is an upgraded grilled cheese sandwich with ham and a delicious bechamel sauce on top. Baked in the oven until the cheese is oozy, this is an easy French bistro style meal.
Course: Appetizer, Breakfast, Main Course
Cuisine: Bistro, French
Keyword: bechamel, bistro, breaded, Croque-monsieur, grilled cheese, ham
Servings: 6 portions
Author: Mélanie


Building the croque-monsieurs

  • 12 slices bread
  • As needed butter
  • 6 slices ham, large, cut in 2 or 12 small
  • 1 and 1/2 cup grated cheese cheddar or your choice


  • 1/3 cup flour 40g
  • 1/3 cup butter cubed 40g
  • 3/4 cup milk
  • Salt to taste
  • Nutmeg to taste optional


Building the croque-monsieurs

  • On a baking sheet and a parchemin paper, place 6 bread slices.
  • Butter the bread and place a piece of ham of all of them.
  • Put some cheese on top and cover back with the rest of the ham.
  • Top with the remaining bread.

Make the Bechamel

  • Prepare your ingredients: Mise en place.
  • In a pot, on low to medium heat, melt the butter.
  • Add the flour.
  • Stir well, you have a roux.
  • Add a little bit of milk and stir. Repeat until you have poured all the milk.
  • Season to taste.
  • Stir (still on low to medium heat) until the sauce coats the back of the spoon.

Final assembly

  • Pour some bechamel on top of the bread. Add some more cheese.
  • Bake in the oven at 420F for 20 minutes.