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Croque Monsieur, potato frites and lettuce on a plate

Croque Monsieur (French Ham and Cheese Sandwich)

  • Author: Spicepaw
  • Prep Time: 10
  • Cook Time: 10
  • Total Time: 20 minutes
  • Yield: 2 sandwiches 1x


A French bistro classic of a toasted ham and cheese sandwich held together with a creamy béchamel sauce. Perfect for lunch or dinner when served with french fries or a green salad. #sandwich #Frenchrecipes  #ham #cheese


  • 34 finely cut slices of ham (preferably good, preferably French)
  • 34 sliced bread (preferably crusty, good quality)
  • 12 tbsp mustard (dijon is best but if you are in a pinch, hot English mustard works just as well)
  • 46 oz/115-170g of grated cheese ( traditionally gruyere and emmental/swiss are used but if you can’t find good quality gruyere or emmental/swiss then go with another hard cheese like an aged white cheddar)
  • 2 tbsp butter
  • 1 tbsp flour
  • 1 cup/240ml milk (warm)
  • salt
  • pepper
  • a pinch of nutmeg


Béchamel sauce:
  1. Over medium-low heat, melt 2 tbsp on butter in a medium saucepan.  Allow the butter to clarify (you’ll know when the butter has clarified when the bubbling has calmed because most of the water has evaporated off).
  2. Once butter is clarified, stir in 1 tbsp of flour along with a pinch of nutmeg and whisk together.
  3. Let cook on medium-low heat for 1-2 minutes.  You want the roux (flour and butter mixture) to cook but not to brown.
  4. Slowly add the warm milk a little at a time, whisking it together as you go.
  5. Once all milk has been poured in, increase heat and continue to whisk until boiling.
  6. Once at a boil, reduce heat to low and continue to cook for 2-3 minutes stirring occasionally.  Season with salt and pepper to taste.  If you prefer not to have black specks in your sauce, simply use white pepper instead.
  7. Remove from heat after 2-3 minutes.
Croque Monsieur Assembly:
  1. Spread 1-2 tbsp of béchamel sauce on each slice of bread.
  2. Top with 1-2 slices of good quality ham.
  3. Combine pieces of bread together so that you have a béchamel and ham sandwich.
  4. Spread mustard on the top of the sandwich.
  5. Spread 1-2 tbsp of béchamel sauce over mustard.
  6. Top with 2-3 oz of grated cheese.
  7. Place on a baking tray beneath the broiler or grill and cook until cheese is melted, bubbly and slightly browned.
  8. Serve with a side salad, frites (french fries) and a spoonful of Dijon on the side. Enjoy!


Turn any croque monsieur into a croque madame by topping with sunny side egg.

  • Category: Sandwich, Lunch
  • Method: sandwich making
  • Cuisine: French

Keywords: Sandwich, Croque Monsieur, Ham, cheese, French recipes

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