"Croque Monsieur is a delicious French ham and cheese sandwich topped with béchamel sauce and baked to crispy perfection. Perfect for a quick and satisfying meal...."
INGREDIENTS
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4 slices of thick white bread
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4 slices of ham
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1 cup grated Gruyère or Emmental cheese
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1 tablespoon Dijon mustard
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2 tablespoons butter
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2 tablespoons all-purpose flour
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1 cup whole milk
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A pinch of nutmeg
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Salt and pepper to taste
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1/4 cup grated Parmesan cheese