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17 Best Sandwiches for French Onion Soup

If you’re wondering what sandwich goes with french onion soup, the answer is: just about any sandwich!

French onion soup is hearty and savory, with a touch of sweetness from the onions.

It’s perfect for a winter lunch or dinner, and it’s even better when paired with a delicious sandwich.

In this article, I’ll share 17 of the best sandwiches to eat with French onion soup.

From classic combinations like grilled cheese and french onion soup to more unique pairings like pulled pork and french onion soup, there’s something for everyone.

So whether you’re looking for an easy weeknight dinner or a weekend lunch, make sure to give these sandwiches a try.

Read Also: French Onion Soup Wine Pairing – The Best Wines for French Onion Soups

what sandwich goes with french onion soup

17 Best Sandwiches for French Onion Soup

I like something a little heartier with my soup.

A sandwich can really hit the spot.

There are a number of great sandwiches that go well with French onion soup.

Here are 17 of the best sandwiches for French onion soup:

BLT Sandwich

This is one of the most popular sandwiches for a reason – it’s simple, flavorful, and filling.

The bacon provides a delicious salty crunch, while the lettuce and tomato add a freshness that cuts through the richness of the bacon.

This sandwich is especially delicious when paired with a hearty soup, like French onion soup.

Pro Tip: For an extra flavorful BLT, cook the bacon in the oven until it’s nice and crispy.

3 Unique Twists:

  • Add avocado for a creamy twist
  • Swap out the bread for naan or pita for a fun change
  • Add BBQ sauce or ranch dressing for an extra zing

Grilled Chicken Sandwich

I love grilled chicken – whether it’s in a sandwich, on top of a salad, or just by itself.

It’s my go-to protein because it’s so versatile and easy to cook.

This grilled chicken sandwich is awesome because it has all of the classic flavors that you love in a grilled chicken sandwich, but it also has this great crispy texture from the grilling process.

And when you pair it with soup, it’s the perfect comfort food meal.

Pro Tip: To get that nice crispy texture on your chicken, make sure to use skinless, boneless chicken breasts. And if you want to really amp up the flavor, try marinating your chicken in some Italian dressing before grilling.

3 Unique Twists:

Club Sandwich

This sandwich is served all over the world, and for good reason. It’s simple, yet so flavorful and filling.

The key to a great club sandwich is in the layering.

You’ve got your protein (usually chicken or turkey), bacon, tomato, lettuce, and mayo.

I like to add a little bit of mustard to mine as well.

Pro Tip: Be sure to use fresh ingredients for this sandwich. There’s nothing worse than a soggy club sandwich with wilted lettuce.

3 Unique Twists:

  • Add avocado for a creamy twist
  • Use ciabatta bread for a heartier sandwich
  • Swap out the mayo for pesto

Veggie Sandwich

Veggies are not only healthy, but they add a crunch and freshness to this sandwich that makes it next-level delicious.

The key to a good veggie sandwich is to use a variety of textures and flavors, so I like to use roasted red peppers, cucumbers, avocado, and sprouts.

Pro Tip: For an extra flavor boost, try using herbed cream cheese or pesto in place of regular mayo.

3 Unique Twists:

  • Spicy Veggie Sandwich: Add some sliced jalapeños or red pepper flakes to the mix for a little heat.
  • Mediterranean Veggie Sandwich: Swap out the bread for pita and add in some feta cheese and Kalamata olives.
  • Deconstructed Caprese Veggie Sandwich: Layer on some fresh mozzarella, tomatoes, and basil leaves for a classic flavor combo.

Grilled Mozzarella Sandwich

Made with fresh tomatoes and walnut pesto, this grilled sandwich is the perfect blend of savory and sweet.

The melty mozzarella pairs perfectly with the crispy bread, making it a great choice for dunking into a hearty soup.

Pro Tip: If you’re using store-bought pesto, add a little bit of lemon juice to brighten it up.

3 Unique Twists:

  • Swap out the walnut pesto for sun-dried tomato pesto.
  • Add some thinly sliced prosciutto to the sandwich for an extra salty kick.
  • Grill the sandwich on ciabatta bread for a more substantial meal.

Egg Sandwich

If you have some egg salad on hand, this is the perfect way to use it up!

This sandwich is awesome alongside soup because it’s hearty and filling, but still has that light and airy feeling.

Plus, the egg salad provides a nice creamy contrast to the soup.

Pro Tip: Make sure your bread is nice and crusty so it can stand up to the soup without getting soggy.

3 Unique Twists:

  • Add some crispy bacon to the sandwich for a little extra salty flavor.
  • Swap out the bread for a croissant for a more indulgent meal.
  • Mix in some chopped green onions or chives into the egg salad for a bit of extra zing.

Roast Beef Sandwich

Slathered with creamy balsamic horseradish sauce, long shaves of parmesan cheese, and slices of roasted beef (or your favorite protein), this is the sandwich of your dreams.

It’s hearty, it’s savory, it’s got a little bit of everything.

Plus, it’s the perfect dipping companion for French onion soup.

Pro Tip: If you want an extra crunch, add some chopped up bacon or crispy shallots.

3 Unique Twists:

  • Add a sunny-side up egg for a touch of decadence
  • Swap out the roast beef for pulled pork or BBQ chicken
  • Make it a breakfast sandwich with scrambled eggs and cheddar cheese

Ham and Cheese Sliders

These are a crazy good combination of ham and Swiss cheese on a soft, buttery roll.

They get even better when you add a little bit of Dijon mustard to the mix.

I like to serve these sliders with a French onion soup for a complete meal.

Pro Tip: To get that perfect melt on your cheese, place the cheese slices on the rolls while they’re still warm from the oven.

Tuna Sandwich

I love tuna in anything – salads, pasta, on crackers… but my all-time favorite way to eat it is in a sandwich.

And not just any sandwich, but a tuna melt.

The combination of the tuna, the cheese and the soup is unbeatable.

Plus, it’s such an easy meal to make.

Pro Tip: For an extra cheesy and flavorful tuna melt, use Gruyere cheese.

3 Unique Twists:

  • Add avocado for a creamy twist
  • Use whole wheat bread for a healthier option
  • Add bacon for a salty and smoky flavor

Meatball Sandwich

Homemade beef parmesan meatballs in a fresh marinara sauce topped with melted mozzarella cheese (I mean, does it get any better than that?) on a toasted garlic ciabatta bun.

This is the perfect sandwich for a cold winter day, and it pairs perfectly with a hearty soup like French onion soup.

Pro Tip: If you’re short on time, you can use pre-made meatballs from your grocery store’s deli counter. Just make sure to get them fresh!

3 Unique Twists:

  • Substitute the beef meatballs for lamb or turkey meatballs.
  • Add some sautéed mushrooms or onions to the sauce.
  • Top the sandwich with crispy fried onions or jalapeño peppers.

Bacon Guacamole Grilled Cheese Sandwich

When you combine bacon, guacamole, and grilled cheese, you get a sandwich that is out-of-this-world delicious.

The smoky bacon pairs perfectly with the creamy guac, and the melty cheese pulls it all together.

This sandwich is awesome alongside soup because it has all of the flavors of a classic grilled cheese, but with an added punch of flavor from the bacon and guac.

Pro Tip: For an extra crispy grilled cheese, use pre-sliced cheese and cook the sandwich in a panini press.

3 Unique Twists:

  • Add some spice to your sandwich by swapping out the bacon for chorizo.
  • Make it a breakfast sandwich by adding a fried egg on top.
  • Get creative with your cheese selection – try using Gruyere or Havarti for a different flavor profile.

The Classic Monte Cristo Sandwich

You can also keep it simple with bread, ham, and gouda cheese like I did.

The gouda provides a nice, sharp flavor that pairs perfectly with the sweetness of the honey mustard.

Plus, the texture of the gouda is amazing when it’s melted.

Pro Tip: If you’re using a thicker bread, like I did, make sure to butter both sides of each slice so that it doesn’t get too soggy when you dip it in the soup.

3 Unique Twists:

  • Add some bacon to really take things up a notch
  • If you’re feeling adventurous, try swapping out the gouda for brie cheese
  • For a fun twist on traditional French onion soup, add some diced apples to your sandwich

Croque-Monsieur Sandwich

I think there is undoubtedly nothing better than a French staple grilled cheese sandwich, better known as a Croque-Monsieur.

This sandwich is not your average grilled cheese, it is amped up with Gruyere cheese, Dijon mustard, and baked to perfection.

It is the perfect savory bite to accompany a bowl of French onion soup on a chilly day.

Pro Tip: For an added crunch, try grilling your sandwich on sourdough bread.


  • Add some bacon or ham
  • Use brie or Swiss cheese instead of Gruyere
  • Try it with a different type of mustard

Halloumi Sandwich (with Avocado Pesto!)

Served with a quick and easy Avocado Pesto, this sandwich is perfect for a light lunch or dinner.

The Halloumi provides a nice, salty flavor and pairs perfectly with the pesto and fresh veggies.

Plus, it’s grilled to perfection.

Pro Tip: If you’re not a fan of Halloumi, you can swap it out for another cheese like Mozzarella or Swiss.

3 Unique Twists:

  • Add some crispy bacon to the mix for an extra savory flavor.
  • Swap out the avocado pesto for a sun-dried tomato pesto for a bit of sweetness.
  • Load up on the veggies by adding roasted red peppers, eggplant, or zucchini.

Baked Nashville Hot Chicken Sandwich

I know you’ll love this mouthwatering sandwich!

The Nashville Hot Chicken Sandwich is a staple in the South.

And this baked version is just as good as the fried original.

The key to the perfect hot chicken sandwich is in the pickles.

They add the perfect amount of acidity to balance out the spice of the chicken.

Pro Tip: For extra flavor, brush the chicken with pickle juice before baking.

3 Unique Twists:

  • Add avocado or guacamole for a creamy twist
  • Swap out the brioche bun for a pretzel bun
  • Top with coleslaw for a crunchy and tangy twist

Melted Caprese sandwich

A big Caprese sandwich with melted mozzarella, fresh tomatoes, basil pesto and fresh basil – need I say more?

It’s the perfect sandwich to enjoy with a hot and hearty soup like French onion.

Pro Tip: For an extra crispy sandwich, grill your bread before adding the toppings.


  • Swap out the mozzarella for brie or goat cheese
  • Add roasted red peppers or sun-dried tomatoes
  • Use ciabatta bread instead of regular sandwich bread

Toasted Italian Sandwich

So easy to make and so delicious to eat, the toasted Italian sandwich is a classic for a reason.

The combination of salty deli meats, melty cheese, and zesty dressing is irresistible, especially when dipped in a rich and flavorful soup like French onion.

Pro Tip: For extra flavor and texture, add some thinly sliced veggies like peppers or onions.

3 Unique Twists:

  • Use a different type of cheese for a new flavor profile.
  • Add some crispy bacon or pancetta for an extra dose of savory goodness.
  • Try using a flavored mayo or mustard for an added zing.


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what sandwich goes good with french onion soup

17 Best Sandwiches for French Onion Soup

Why settle for a boring old sandwich when you can have a French onion soup sandwich?
This article provides a list of the best sandwiches to accompany your French onion soup, so you can enjoy a delicious and satisfying meal.
Prep Time 5 minutes
Cook Time 5 minutes
Total Time 10 minutes
Course Sandwich, Soup
Cuisine American, French
Servings 4 people
Calories 449 kcal


  • BLT Sandwich
  • Grilled Chicken Sandwich
  • Club Sandwich
  • Veggie Sandwich
  • Grilled Mozzarella Sandwich
  • Egg Sandwich
  • Roast Beef Sandwich
  • Ham and Cheese Sliders
  • Tuna Sandwich
  • Meatball Sandwich
  • Bacon Guacamole Grilled Cheese Sandwich
  • The Classic Monte Cristo Sandwich
  • Croque-Monsieur Sandwich
  • Halloumi Sandwich (with Avocado Pesto!)
  • Baked Nashville Hot Chicken Sandwich
  • Melted Caprese sandwich
  • Toasted Italian Sandwich


  • Pick your favorite sandwich from this list to serve with your soup.
  • Prepare the ingredients according to the recipe.
  • Enjoy in no time!
Keyword what sandwich goes with french onion soup
Benjamin Happy Muncher

Hi, I'm Benjamin. I love cooking, long walks, and my girlfriend! Here you’ll find simple and delicious recipes that you can make in 30 minutes or less.