Croque Monsieur Breakfast Croissants

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Let’s transform the classic French sandwich, Croque Monsieur, into a mouthwatering breakfast delight! This breakfast sandwich is loaded with creamy béchamel sauce, fluffy eggs, melty gruyere cheese, and savory turkey ham. It’s the ultimate way to kickstart your day!

Béchamel sauce is a versatile white sauce that adds richness to various dishes, from pasta to sandwiches and beyond. Mastering the art of making a smooth béchamel is a valuable skill, and today, we’re diving into that. If you’re already a pro, feel free to skip ahead! Here’s what you’ll need:

Croque Monsieur Breakfast Croissants

Prep Time 30 minutes
Cook Time 30 minutes
Total Time 1 hour
Course Breakfast
Servings 6


For the Béchamel Sauce:

  • 1/4 cup unsalted butter
  • 1/4 cup all-purpose flour
  • 1 1/4 cup whole milk
  • 1/4 to 1/2 teaspoon salt to taste
  • 1/2 teaspoon mustard powder
  • 1/4 teaspoon black pepper
  • 2 tablespoons cream cheese softened
  • 1/4 cup freshly grated parmesan
  • 1/8 teaspoon nutmeg

For the Eggs:

  • 2 tablespoons vegetable oil
  • 8 eggs
  • Salt to taste
  • Black pepper to taste

For Assembly:

  • 6 croissants
  • 12 ounces turkey ham
  • 1 cup shredded gruyere cheese
  • 1/4 cup grated parmesan
  • Black pepper to taste
  • 1 large egg
  • 1 tablespoon whole milk
  • Topping options: everything bagel seasoning poppy seeds, or sesame seeds


  • In a deep saucepan over medium heat, melt the butter. Add flour and whisk until smooth, cooking for 2 to 3 minutes to create a roux.
  • Pour in milk, salt, black pepper, cream cheese, parmesan, nutmeg, and mustard powder. Stir well and bring to a light boil, whisking continuously until thickened. Adjust seasoning to taste and set aside.
  • Crack eggs into a bowl, season with salt and pepper, and whisk until smooth. Cook eggs slowly in a non-stick pan over low heat, stirring gently until they hold their shape. Remove from heat and set aside.
  • Preheat oven to 400°F and line a baking tray with parchment paper.
  • Cut croissants in half and spread béchamel sauce on both sides. Layer with turkey ham, eggs, gruyere cheese, and parmesan. Seal sandwiches and place on the tray.
  • Whisk egg and milk for egg wash, brush over the tops of croissants, and sprinkle with desired toppings.
  • Bake for 10 to 12 minutes until golden and crispy.
  • Serve warm and enjoy this irresistible breakfast treat!

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