Croque Monsieur

Croque Monsieur is not your typical ham and cheese sandwich! It has dijon mustard, an egg coating, and is fried into a hot and melty dish.

Croque Monsieur reminds me a bit of a Monte Cristo (another favorite), but it has a completely different taste. Both main dishes are great served with a light Arugula Salad.

Croque Monsieur cut in half and placed on a white plate.

What is Croque Monsieur?

While a Monte Cristo is a ham and cheese sandwich dipped in an egg batter, deep fried and topped with powdered sugar, a Croque Monsieur is more like a fancy grilled cheese sandwich using french toast.  

It’s a baked or fried ham and cheese sandwich. Sound different? Well, it is, but it’s also very delicious. This dish appeared on menus in Paris, France as early as 1910.

You add all the ingredients to the sandwich and dip it in a milk and egg mixture (almost like french toast!) and fry it in butter just like you would grilled cheese. Easy, right?

It’s savory and melty on the inside, with a golden crispy outside.

Layering ham and cheese on slices of bread to make Croque Monsieur recipe.

How to Make Croque Monsieur

These sandwiches has a few more steps than grilled cheese, but are still just as easy!

ASSEMBLE. Mix mayo and mustard together in a small bowl. Spread onto 4 bread slices. Add cheese and ham to each bread slice. Place the other slice of bread on top of the ham.

PREP. Meanwhile, whisk eggs and milk in a pie plate until well blended. Melt butter in the skillet over medium heat.

DIP + FRY. Dip each sandwich in egg mixture (make sure all sides are coated), then place in buttered pan. Fry until golden brown on both sides (a few minutes on each side).

Bake instead of fry: If you would rather bake your sandwiches, preheat the oven to 425. Prepare the sandwiches as usual, but place on a parchment lined baking sheet. Bake for 5-6 minutes flipping halfway through, then turn the oven to broil and broil on each side for about 1-2 minutes watching carefully so they don’t burn.

Dipping Croque Monsieur sandwich in egg mixture.

Variations

Mr. & Mrs. Croque means “crunch” and Monsieur means “mister”. In other words this is a “Mister Crunch” sandwich. You may be thinking, “If there is a Mister can there be a Misses?” I’m glad you asked!

The female counterpart of this sandwich is called a Croque Madame. Make the sandwich the same way except you add a sunny side up egg on top. This is because the fried egg resembles a woman’s hat. How fun is that!

Variations. Aside from turning this sandwich into a croque madame by adding a simple egg you can switch up with other ingredients as well. 

  • Cheese: Use gruyere cheese or parmesan cheese.
  • Seasoning: Sprinkle the top with Herbes de Provence, thyme, nutmeg, salt, black pepper.
  • Bread: Use french bread, sourdough, or any brioche-like bread.
  • Sauce: Spread the bread with cheesy béchamel sauce.
  • Make it mini: Mini sandwiches can be made with baguette bread.
  • Milk: Use any type of milk from whole milk to skim.

Serving Suggestions + Storing

Here are a few of our favorites sides to go with this delicious Croque Monsieur Sandwich.

Make ahead of time. I don’t suggest fully making these ahead of time, however you can complete step one and prepare the sandwiches the day before. Store them in an airtight container in the fridge. You can even whisk the eggs and milk together, cover with plastic wrap and store it in the fridge as well. When you’re ready to fully grill them complete steps 3 & 4. 

Keeping a Batch Warm. If making a large amount of sandwiches, keep them warm in the oven for about 20 minutes before serving them.

  • Place a baking sheet in the oven and heat the oven to 200 degrees and then turn the oven off.
  • As you grill the sandwiches, place them on the warm baking sheet, in a single layer.
  • If you wish, you can broil them to crisp them up.

STORE leftovers in a Ziploc or wrap in tin foil. Keep them in the fridge for a few days. Reheat in the oven, toaster oven, skillet, or if you’re in a hurry, the microwave.

Easy Croque Monsieur recipe served with arugula on the side.

For more sandwich recipes, check out:

Croque Monsieur Recipe

5 from 12 votes
Croque Monsieur is not your typical ham and cheese sandwich! It has dijon mustard, an egg coating, and is fried into a hot and melty dish.
Course Main Course
Cuisine American, French
Prep Time 5 minutes
Cook Time 10 minutes
Total Time 15 minutes
Servings 4
Calories 614 kcal
Author Lil’ Luna

Ingredients

  • 3 tbsp mayonnaise
  • 2 tsp dijon mustard
  • 8 slices firm white bread
  • 4 slices swiss cheese
  • 8 slices deli ham
  • 4 tbsp butter
  • 3 eggs
  • 1/2 cup milk

Instructions
 

  • Mix mayo and mustard together in a small bowl. Spread onto 4 bread slices. Add cheese and ham to each bread slice. Place the other slice of bread on top of the ham.
  • Meanwhile, whisk eggs and milk in a pie plate until well blended.
  • Place butter in a skillet and melt.
  • Dip each sandwich in egg mixture (make sure all sides are coated), then place in buttered pan. Fry until golden brown on both sides (a few minutes on each side).

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About Kristyn

My name is Kristyn and I’m the mom of SIX stinkin’ cute kids and the wife to my smokin’ hot hubby, Lo. My mom’s maiden name is Luna, and I’m one of the many crafty “Lil’ Lunas” in the fam. On this site I like to share all things creative - from recipes to home decor to gifts and home decor ideas. Welcome!

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Comments:

  1. hey girl- this sandwich looks amazing! yummy! I used to live in Bay City, TX ( 32 years ago ha time flies by so fast) South of Houston . Maybe you have heard of it . Y’all have a great weekend!!

  2. The instructions indicate that the sandwiches are to be baked at 450° without first giving them the kiss of the stovetop, which I found to be unusual. I wonder,…if the oven wasn’t so screaming hot, would it be possible to make this an oven-only recipe? My Croque Monsieur recipe is slightly different than yours, and it is successfully accomplished on only the stovetop. Comments?

    [FYI: I am NOT actually typing this text in all-caps, however, that is how it is
    appearing in THIS TEXT BOX. I TRIED TYPING MY COMMENT IN ANOTHER PROGRAM
    USING TRADITIONAL upper and lower case letters and I cut & pasted it here,
    yet it STILL is ALL-CAPS HERE. WEIRD! I’ll hit POST COMMENT now and we will
    all see what happens!]

  3. 5 stars
    I’m going to have to try this for lunch soon! Grilled cheese is one of my go-to’s when I don’t know what to make, so next time before I just do the traditional grilled cheese I’m going to do this instead!

  4. 5 stars
    A great litlle sandwich made with this yummy coating on the outside. A step up from a regular sandwich.

  5. 5 stars
    There is no better way to eat a sandwich! We love these baked over being fried, but they are delicious either way!

  6. 5 stars
    We have never tried these baked. I love the crispy bread and the yummy cheese and ham. We will be making these more often this summer.

  7. 5 stars
    This takes your ham & cheese sandwich up a level for sure!! Tried frying it & loved the crispy top & bottom. The mustard spread adds a lot of flavor!

  8. 5 stars
    Oh so yummy , the alternate comfort food -Grilled ham n cheese with Tomato basil soup Yum !!!
    I tried an add in , I sliced some apple and it was yummy with smoked Gouda cheese also.
    Thanks for the recipe.