Shell pasta is served with onion soup in a mug, along with cheese, parsley, and breadcrumbs. French Onion Soup Pasta is perfect for revamping your onion soup leftovers!
This is my first-ever mug meal! I went to buy extra mugs for this recipe. Shell-formed pasta is served with leftover onion soup and a cheese gratin on top with a few breadcrumbs. Recalling the “French onion soup bread” gives the meal an extra crunch. It’s pretty simple to make and tasty, so if you have any onion soup leftovers at home, this French Onion Soup Pasta is the way to go!
A Catalan Tradition as Inspiration

The Shell Pasta
You don’t often see shell pasta on your plate. Where I live, in Barcelona, they call it “Galets. “ It’s a famous pasta during the holiday season. They make a simple broth soup with it; sometimes, the shells are not stuffed, and other times, they are filled with meat or meatballs. This soup is called “Sopa de Galets” and is usually consumed for on Christmas.
Initially, I wanted to use pasta for this Catalan dish, but it ended differently. Maybe next year… It finally turned into a lovely pasta “gratin” mug meal with my double onion soup leftovers used as the sauce. Let’s say it turned out to be my version of festive pasta! The tasting is just as delicious as the onion soup and is fun to plunge into with the spoon to get to the onion bits. Plus, the pasta will absorb some of that exquisite onion soup taste.
The Mug Choice

On top of it all, it’s served in a mug, making it possible to “gratiner” or grill the cheese in the oven, just like with French onion soup. I didn’t use so much cheese since I’m on my eternal diet, but feel free to go heavier on the cheese.
Variations
This soup is adaptable to your needs; you can easily swap the pasta type or cheese. I recommend a more pungent, slightly aged cheese like aged cheddar or gouda. Of course, you can use an onion soup can or premade soup.
More Soup Recipes
- Bistro French Onion Soup with Gruyère
- Roasted Butternut Squash Soup with Sage
- Shiitake Mushroom Soup
So, let’s make this fun and tasty mug!

French Onion Soup Pasta in a Mug
Ingredients
- 300 ml onion soup ((Bistro French Onion Soup with Gruyère))
- 100 g shell pasta ((fusilli, farfalle, rigatoni))
- 50 g breadcrumbs (or panko)
- 50 g Gruyere cheese (grated)
- flat leave parsley (finely chopped)
- salt and pepper
Instructions
- Cook the pasta halfway in boiling salty water, and drain.
- Add them immediately to an oven-proof mug or recipient.
- Add 150ml of the preheated onion soup in each mug (3/4).
- Top it with the cheese.
- Cook in the oven at 200°C (400F°) for 10-15 minutes or until the cheese is melted.
- Add the breadcrumbs on top and cook one more minute before taking the mugs out of the oven.
- Sprinkle a bit of parsley and black pepper.





32 Comments
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The temperatures have definitely take a severe dip here in Boston so my cravings for soup have gone through the roof. This looks so warm & comforting. And I love the though of eating soup out of a mug. . .that in of itself amps up the cozy factor.
Cozy and tasty dish without a doubt!
“Tasty cheese” is my favorite part of recipe!! What a cozy treat for winter. I’m bundled up in blankets right now wishing I had a mug of this soup!! 🙂
ahah! There is nothing more comforting on a cold winter night then this tasty and CHEESY mug;)
This is making me hungry! Very creative by the way and thanks for sharing!
Thanks Fred!
This looks amazing and especially at this time of the here! Thanks for sharing!
Loving this onion soup! I don’t think I’ve eaten soup out of a mug but it seems like a great idea. I can’t wait to try it.
Mmmmm . . . total comfort food! And I could make this with gluten-free pasta, too! Pinned.
Of course, gluten free is even better!
I’ve never used onion soup to spice up pasta but I remember my mom always using it in burgers or other foods and it has a very homey taste. I really like this idea and the mug makes it perfect for a lazy day at home. Wonderful recipe 🙂
Nothing will make you better on a cold winter day! Guaranteed;)
Oh my goodness, you just said three of my favorite words! Onion, soup, and pasta! Definitely making this!
enjoy!
I have just the perfect mugs to make this awesome looking recipe. Great combination of flavours.
Thanks!
I’m in love with your mugs! And the soup in a mug looks great and stops you from eating too much as well I imagine!
Aren’t they cute?!?!! Love them too, and strangely a lot of pasta fits in there… like a full on plate…
It’s been so cold here. This looks just perfect to warm up.
No better warming up soup than a freshly grilled cheesy onion soup
What a great idea to serve soup with a cheesy pasta on top, delicious and perfect for this time of year.
I do love me a single serve meal and these sound like just the thing for a chilly night in!
Yum! Love me some onion soup!
This soup looks amazing! And I love the presentation in a mug!
What a great combination of flavour! Looks delish
I love this! Would be good as a side or a whole meal.
All depends the size of the mug
love putting soups in my mugs. Gorgeous photos and I have to try this recipe!
This is so cute! Now I gotta cute find mugs 🙂
So comfy to eat from mugs! Especially on a cold winter night!
This is a perfect idea to serve soup in rustic mugs! Looks very delicious! 🙂