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Croque Monsieur Pop Tarts

By: Nicole 45 Comments
Posted: 05/13/15 Updated: 05/18/15

This post may contain affiliate links. Please read my disclosure policy.

Croque Monsieur Pop Tarts All the ingredients of the classic French sandwich stuffed in buttery puff pastry

I remember the first time I tried a croque monsieur sandwich. It was at a tiny little French café in the heart of suburban Kanas City, an unlikely location to find authentic French food, especially ten plus years ago. From the looks of the strip mall location and unassuming store front, I had already made presumptions that I was going to be severely underwhelmed by my visit, but I charged on anyways out of curiosity, and well, we were there.

Upon entering the door to the almost empty café, I was immediately hit with the most wonderful of smells. Freshly baked bread. Coffee. Cheese. All things wonderful.

The menu was simple and hung haphazardly on the wall, but included classic French café dishes like nicoise salad, simple greens dressed in Dijon vinaigrette, pan bagnet (the equivalent of a French tuna sandwich), quiche, croque monsieur, croque madame (croquet monsieur with an egg) and a bevy of freshly baked from-scratch breads and pastries – heaven.

Croque Monsieur Pop Tarts All the ingredients of the classic French sandwich stuffed in buttery puff pastry

As most restaurant outings go for me, I was having a difficult time deciding what to order and was equally torn between a croque monsieur and the quiche of the day. After a lengthy tug-of-war in my head and silently weighing the pros and cons of each choice, I finally settled on the croque monsieur since I’d never had one before and NO ONE makes quiche like this Kansas City institution…

After ordering at the counter, and waiting the agonizing five minutes for my sandwich to arrive, what appeared in front of me was everything I was hoping for and more – and dare I say it…. life changing.

Croque Monsieur Pop Tarts All the ingredients of the classic French sandwich stuffed in buttery puff pastry

Hearty white bread (made in house of course) was covered in Dijon mustard, piled high with black forest ham, smothered in a creamy béchamel and then covered in an obscene amount of nutty and perfectly melted gruyere cheese.

I can vividly remember inhaling the decadent sandwich and thinking to myself how I’d gone this long in life without it being a part of my life. In that moment, I decided that a croque monsieur was the king of all sandwiches.

Croque Monsieur Pop Tarts All the ingredients of the classic French sandwich stuffed in buttery puff pastry

The gem of a French restaurant closed years ago, but ever since that first encounter, the classic sandwich has become something something I find impossible to resist. I love it so much that I’ve even twisted it into other dishes, like this pizza, a seriously decadent dip, and today’s puff pastry “pop tarts.”

While the classic version is perfect on its own, it can be seriously messy, or require a fork and knife (which I usually opt for), so instead, I thought it would be fun to stuff all of the ingredients inside two sheets of puff pastry making the sandwich even more decadent, portable, less messy and totally acceptable to eat with your hands.

Croque Monsieur Pop Tarts All the ingredients of the classic French sandwich stuffed in buttery puff pastry

Instead of black forest ham, I went with thinly sliced prosciutto for a saltier bite, plus I enjoy finding ways to sneak prosciutto in just about everything…

One piece of prosciutto is gently nestled onto cut puff pastry, slathered in a super thick béchamel sauce and then covered in shredded guyrere cheese. The top half of the puff pastry covers the filling, and then it’s brushed with egg wash and a little bit more cheese. I pop it into a 400 degree oven and painstakingly wait for the dough to cook and the cheese to turn a golden brown hue, which only takes 15 minutes, but may as well be hours.

At first glance the puff pastry or “pop tarts” look just as unassuming as that storefront did so many years ago, but just as many things go, initial looks can be deceiving to the eye. Because once you take a bite into this croque monsieur variation, it becomes apparent that this is anything but ordinary.

Croque Monsieur Pop Tarts All the ingredients of the classic French sandwich stuffed in buttery puff pastry

I’d even go as far as to say that this rivals the classic version…

So much for my diet….

Croque Monsieur Pop Tarts All the ingredients of the classic French sandwich stuffed in buttery puff pastry

4.3 from 6 reviews
Croque Monsieur Pop Tarts
 
Print
Prep time
8 mins
Cook time
25 mins
Total time
33 mins
 
All of the ingredients in a classic croque monsieur get stuffed in between buttery sheets of puff pastry.
Author: Nicole
Serves: 6 pop tarts
Ingredients
  • 2 sheets of puff pastry cut into 12 even rectangles
  • 1 ½ tablespoons butter
  • 2 tablespoons flour
  • 1 cup warm whole milk
  • ½ teaspoon Dijon mustard
  • ¼ salt
  • 6 thinly sliced pieces of prosciutto
  • 1 cup shredded gruyere cheese
  • 1 egg + 2 tablespoons water whisked together.
Instructions
  1. Preheat oven to 400 degrees. Line a baking sheet with parchment paper or a siltpat.
  2. In a small sauce pan, melt butter over a medium heat. Whisk in flour. Cook one minute. Very slowly whisk in hot milk and dijon mustard. Bring to a boil and reduce to a simmer until thick, about 2-3 minutes. Set aside.
  3. Place six puff pastry rectangles on prepared baking sheet.
  4. Place one piece of prosciutto on puff pastry rectangle, top with 2 heaping teaspoons of béchamel and then sprinkle with 2 tablespoons of cheese. Make sure to leave an edge all the way around.
  5. Brush edges with egg wash.
  6. Place top half on filling and seal, making sure to get all air bubbles out.
  7. Brush tops with egg wash and sprinkle evenly with remaining cheese. Cut three silts in the top.
  8. Bake until golden brown, about 15-20 minutes.
  9. Serve hot.
3.3.2998

Meet Nicole

Welcome! My lifelong passion for delicious food and cooking has evolved over time into an equal love of showing you an elevated meal can be easy, approachable and most importantly, tasty. Dive in and find something perfect for you and your family!

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  1. Chelsea @chelseasmessyapron says

    Posted on 5/14/15 at 3:39 pm

    Okay that first photo is killing me! These look and sound SO good Nicole! And your pastry looks absolutely perfect 🙂

    Reply
    • Nicole says

      Posted on 5/18/15 at 3:53 am

      Thanks Chelsea!

      Reply
  2. [email protected] says

    Posted on 5/14/15 at 5:56 pm

    Nicole these look so amazing!! I love how you overcame you inhibitions long time ago which ended up you discovering the best sandwich of all times!! Drooling..

    Reply
    • Nicole says

      Posted on 5/18/15 at 3:52 am

      Thanks Ami!

      Reply
  3. Krid says

    Posted on 5/16/15 at 1:39 pm

    It has actually a name, in France we call this a “friand”
    one of my faves since my childhood
    the smell of baked puff pastry is just………uh.

    Reply
    • Nicole says

      Posted on 5/18/15 at 3:51 am

      Oooo good to know! And I agree, there is nothing like the smell of freshly baked puff pastry!

      Reply
  4. Jennifer says

    Posted on 5/17/15 at 2:27 pm

    Hi. I’m dying to make these! They seem incredible. I noticed the mustard in the ingredient list but don’t see where it comes into the recipe. Do I brush it on the puff pastry before adding the ham?

    Reply
    • Nicole says

      Posted on 5/18/15 at 3:51 am

      Hi Jennifer! So sorry, the recipe is updated! You need to add the dijon when you add the milk for the béchamel!

      Reply
  5. alejandrina pattin says

    Posted on 8/24/15 at 12:53 am

    Looks perfect. I wonder, though, if prosciutto + salty cheese like gruyere won’t be overpowering…

    Reply
    • Nicole says

      Posted on 8/25/15 at 2:57 pm

      I didn’t find it to be overpowering at all! 🙂

      Reply
  6. Barbara says

    Posted on 8/24/15 at 1:04 am

    Can these be frozen, either before or after baking?

    Reply
    • Nicole says

      Posted on 8/24/15 at 4:04 am

      I haven’t tried, but I don’t see why that wouldn’t work!

      Reply
    • Nicole says

      Posted on 8/25/15 at 2:57 pm

      I have’t tried, but I would imagine it could work!

      Reply
  7. Monique says

    Posted on 8/24/15 at 1:35 pm

    I have just made them, can’t wait for my daughter Chantal to taste them, they look so good and the smell in the kitchen makes my mouth water.

    Reply
    • Nicole says

      Posted on 8/25/15 at 2:56 pm

      Yay!! Let me know how they turn out!

      Reply
  8. Angela says

    Posted on 8/25/15 at 2:02 am

    could these be made with something other than puff pastry??

    Reply
    • Nicole says

      Posted on 8/25/15 at 2:55 pm

      I haven’t tried it with anything other than puff pastry, but I’m sure pie crust would work just as well!

      Reply
  9. Annie says

    Posted on 8/25/15 at 2:38 pm

    These look so good! I want to bring them to a brunch this weekend, any tips on preparing them a day ahead and then baking in the morning?

    Reply
    • Nicole says

      Posted on 8/25/15 at 2:52 pm

      You can just prepare them up to baking, then before you serve pop them into the oven!

      Reply
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