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croque monsieur sandwich with ham and cheese

Croque Monsieur Sandwich

Diana Rattray
Take a virtual trip to a Parisian bistro with our delicious homemade croque monsieur, featuring a mouthwatering combination of toasted bread, melted Gruyère cheese, and savory sliced ham! You don't have to leave home for this classic French sandwich!
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Servings 2 servings
Calories 641
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Prep Time 14 minutes
Cook Time 18 minutes
Total Time 32 minutes

Ingredients
  

For the Sauce

  • 2 tbsp unsalted butter
  • 2 tbsp flour
  • ¾ cup warm milk, not hot
  • 1 tsp Dijon mustard
  • Dash ground nutmeg
  • Fine sea salt and freshly ground black pepper, to taste

For the Sandwiches and Assembly

  • 4 thick slices firm country-style bread
  • 2 tbsp unsalted butter, softened
  • Béchamel sauce (from the recipe above)
  • 3 to 4 ounces ham, thinly sliced
  • 8 tbsp shredded Gruyère cheese or Comté, divided
  • 2 tbsp grated Parmesan cheese (optional)

Recommended Equipment

Instructions

  • Preheat the oven to 425°F and gather the ingredients.
    croque monsieur sandwich prep: ingredients
  • Melt the butter in a medium saucepan over medium heat. Add the flour and cook, stirring, for 2 minutes. Gradually add the milk, whisking frequently, until the sauce is smooth and thickened. Stir in the Dijon mustard, a dash of nutmeg, and salt and pepper, to taste.
    2 tbsp unsalted butter | 2 tbsp flour | 3/4 cup warm milk | 1 tsp Dijon mustard | Dash ground nutmeg | Fine sea salt and freshly ground black pepper
    The sauce for croque monsieur in a saucepan.
  • Butter one side of each slice of bread (about 1 1/2 teaspoons for each slice) and place a large skillet over medium heat. Place the bread in the skillet, butter side down, and toast until browned. You may have to toast the bread in batches.
    4 thick slices firm country-style bread | 2 tbsp unsalted butter
  • Place 2 slices of bread on a baking sheet, toasted side down, and spread béchamel sauce over them.
    Béchamel sauce (from the recipe above)
    Croque monsieur prep.
  • Top each slice of bread with about 1 1/2 to 2 ounces of ham and about 2 tablespoons of Gruyère cheese. Place the 2 remaining slices of bread on the Gruyère layer, toasted side up.
    4 tbsp shredded Gruyère cheese or Comté | 3 to 4 ounces ham
  • Spread the remaining béchamel over the top of each sandwich and sprinkle them with the remaining 4 tablespoons of Gruyère cheese. If desired, top each sandwich with 1 tablespoon of Parmesan cheese.
    Béchamel sauce (from the recipe above) | 4 tbsp shredded Gruyère cheese or Comté | 2 tbsp grated Parmesan cheese (optional)
  • Bake the sandwiches in the preheated oven for 4 to 6 minutes, or until the cheese is melted. Increase the oven to broil and broil for 2 to 3 minutes, until the cheese is lightly browned. Watch carefully.

Nutrition

Calories: 641kcalCarbohydrates: 10gProtein: 34gFat: 51gSaturated Fat: 27gPolyunsaturated Fat: 3gMonounsaturated Fat: 17gTrans Fat: 1gCholesterol: 163mgSodium: 1437mgPotassium: 460mgFiber: 0.3gSugar: 5gVitamin A: 1118IUVitamin C: 0.01mgCalcium: 415mgIron: 1mg

Disclaimer:

Our nutritional information is based on a third-party application that analyzes the ingredients list to determine the values. The information is meant to be helpful, but should be considered an estimate. Values may differ depending on measurements, brands, serving variations, and database availability.

Keyword bechamel, cheese, croque monsieur, ham sandwich
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