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Stacked croque-monsieurs with a white bowl of salad in the back
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5 from 4 votes

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.
Prep Time20 mins
Cook Time20 mins
Total Time40 mins
Course: Appetizer, Breakfast, Main Course
Cuisine: Bistro, French
Servings: 6 portions
Calories: 385kcal
Author: Mélanie


Building the croque-monsieurs

  • 12 slices bread
  • As needed butter
  • 6 slices ham, large, cut in 2 or 12 small
  • 1 and ½ cup grated cheese cheddar or your choice


  • cup flour 40g
  • cup butter cubed 40g
  • ¾ 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.




Calories: 385kcal | Carbohydrates: 35g | Protein: 21g | Fat: 17g | Saturated Fat: 9g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 52mg | Sodium: 826mg | Potassium: 275mg | Fiber: 3g | Sugar: 6g | Vitamin A: 356IU | Vitamin C: 1mg | Calcium: 334mg | Iron: 3mg