What to Serve with French Onion Soup: 35+ Sides

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Wondering what to serve with French Onion Soup? I’ve got you covered with this handy guide of the 35+ BEST side dishes.

The most popular soup recipes on my blog include this Instant Pot French Onion Soup and these French Onion Soup Dumplings. But, this French Onion Chicken is always a welcome departure too!

No matter which type of onion soup you’re serving, you’re guaranteed to find a perfect side dish here.

French Onion Soup + Amazing Side Dish = PERFECTION!

When serving French Onion Soup for dinner, some delicious side dishes can really help complete the meal.

So, let’s dig in!

Keep reading to discover 35+ of the best side dishes to serve with French Onion Soup.

What to Serve with French Onion Soup

Arugula Salad ready to be served.
This Arugula Salad recipe with red wine vinaigrette is my go-to green salad. The arugula has a peppery bite to it which pairs wonderfully with the acid in the vinaigrette. It’s the perfect salad for pairing with rich dishes.
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Prepared radicchio salad in grey bowl with serving utensils.
This delicious Italian Radicchio Salad is dressed in a creamy lemon-vinaigrette and tossed with buttery calvestrano olives, tasty breadcrumbs and nutty parmesan cheese. And, a special tip ensures that your radicchio won't be bitter!
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French Onion Chicken cooked in skillet and sprinkled with parsley
This French Onion Chicken is a simple yet crave-worthy dinner that’s made in one skillet! Tender chicken breasts are covered in a rich gravy with caramelized onions, then piled with Gruyere and baked to form a perfectly melty, cheesy layer on top.
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Overhead shot of shaved fennel salad in green serving bowl on pink table.
This Shaved Fennel Salad comes together quickly and has such a delicious light lemon vinaigrette and wonderful crunch. It's the perfect side salad for rich and hearty dishes like pasta or braised short ribs.  
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Baked salmon on plate with lemon slice, green beans and potatoes.
Learn How to Bake Salmon that’s flaky and buttery every time! Salmon filets are lightly seasoned before going into the oven for less than 15 minutes. It’s the best foolproof and healthy weeknight dinner!
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Overhead shot of cherry tomato salad in grey bowl.
This Cherry Tomato Salad with Roasted Lemons is the perfect side dish. Sweet tomatoes combine with a tangy vinaigrette and delicious roasted lemons. 
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Sauteed spinach in white bowl.
Add a healthy boost of nutrients to your dinner with this easy Sauteed Spinach. Baby spinach is added to a skillet along with garlic and olive oil, then sauteed gently to create a simple side dish that pairs with any meal!
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Overhead close up of chicken in white wine sauce in skillet.
Chicken in White Wine Sauce is perfect for a quick weeknight dinner. Crispy pan-fried chicken cutlets are nestled in a rich, creamy, and extra garlicky white wine sauce. It’s a 30-minute meal done in one skillet!
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Fennel salad with chickpeas in white bowl.
This Fennel and Chickpea Salad is tossed in a light citrus vinaigrette & topped with parmesan. It’s the perfect make-ahead salad for potlucks or lunches.
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Roasted chicken on grey serving plate with sprig of rosemary and carving fork.
This is the perfect easy roasted chicken recipe. The skin is perfectly crisp and crackly, there’s no basting, and it results in a lovely pan gravy at the finish. Easy enough for a weeknight dinner!
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Italian stuffed artichokes are filled with crunchy breadcrumbs, sun dried tomatoes, fresh herbs, and lots of Parmesan cheese for an easy app!
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Shaved brussels sprouts salad in large bowl with serving spoon.
This Shaved Brussel Sprout Salad with Mustard and Parmesan is tossed in a light red wine vinaigrette and makes a delicious, crunchy side dish.
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Overhead close up of bowl of kale caesar salad in white bowl with serving spoon.
This Kale Caesar Salad is topped with crispy homemade croutons and parmesan cheese. Massaging the creamy garlic dressing into the kale makes it extra tender and delicious.
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Plated chicken breasts with herbs and seasoning.
This foolproof recipe makes flavorful and tender air fryer chicken breasts every time, seasoned with herbs and spices.
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This flavor-packed Italian Chopped Salad will win over everyone around the table! Hearty meats, crisp vegetables, tons of cheese and a zesty Italian dressing combine to form a highly addictive salad!
Get the RECIPE from No Spoon Necessary
Overhead closeup of steak bites in skillet topped with garlic bits and parsley.
Garlic Butter Steak Bites with Creamy Mustard Dipping Sauce are the perfect appetizer to serve at your next party or serve them up for dinner with a couple sides. The best part? They’ll be on your table in under 15 minutes!
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We are finally in the home stretch of Super Bowl food sharing. So from now until Friday, I have some recipes that you can throw together in a matter of
Get the RECIPE from Real Food by Dad
Caesar salad is a staple on restaurant menus across the country, but we’ve yet to find one as perfectly blended as this one – crisp romaine is tossed with creamy dressing, crunchy croutons and premium Parmesan. All hail Caesar!
Get the RECIPE from Bite Me More
Skillet filled with shrimp piccata on pink backdrop.
This easy recipe for Shrimp Piccata is delicious. Shrimp tossed in a lemon-garlic, butter sauce flecked with capers. Made in just 30-minutes!
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Sauteed zucchini and squash in skillet.
You can serve Sauteed Zucchini and Squash with practically anything! It’s a simple side dish that showcases sliced and seared summer squash and savory Italian flavors.
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Serving spoon in bowl of tomato cucumber salad.
This Tomato Cucumber Salad features fresh cucumbers, juicy tomatoes, and crisp red onion. Dressed in a tangy homemade red wine vinaigrette, every bite is bursting with refreshing Mediterranean flavors!
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Shrimp scattered on air fryer basket liner with lemon wedges.
This tasty Air Fryer Shrimp takes less than 10 minutes to make with a handful of flexible ingredients. Cooking perfectly plump and juicy shrimp has never been easier!
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Platter of grilled broccolini
This grilled broccolini is topped with a tangy apple cider vinaigrette and marcona almonds for a delicious crunch. It’s a perfect side dish for autumnal menus or Thanksgiving. 
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Overhead shot of air fryer baked potato split open and topped with butter.
Learn how to make Air Fryer Baked Potatoes with crispy skins! They cook up easily in your air fryer with perfect, crispy & salty skins.
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Over head shot of cooked brussels sprouts in grey bowl with spoon.
Air Fryer Brussel Sprouts with Balsamic cook up crispy and delicious with minimal oil with the help of your air fryer! Dressed simply with balsamic vinegar and a sprinkle of salt. You'll love these!
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Spears of asparagus cooked sous vide topped with parmesan shavings.
How to cook perfect asparagus sous vide. Bright green, perfectly cooked spears. With three options for flavoring – garlic, parmesan or lemon.
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COOKED DUCHESS POTATOES ON BAKING SHEET NEXT TO SPATULA.
Duchess Potatoes are a fancy piped potato side dish that must make an appearance at your next dinner party. Rich, creamy, and cheesy with just a subtle crisp, these elegant baked mashed potatoes are unlike anything else!
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Roasted brussel sprouts in bowl drizzled with balsamic glaze and sprinkled with cranberries.
These Roasted Brussels Sprouts with Balsamic Reduction & Cranberries make a simple and elegant side dish that both kids and adults love!
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Overhead shot of french dip burgers on platter with bowl of au jus.
Flavorful onion au jus compliments these delectable burgers topped with melted Gruyere cheese to make a perfect French Dip Burger.
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Baked artichoke hearts in baking dish after cooking.
These Stuffed Artichoke Hearts take all the work out of actually stuffing an artichoke. Canned artichoke hearts are arranged in a dish and topped with a “stuffing” of breadcrumbs, parmesan cheese, and garlic.
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Overhead shot of cooked filet mignon with slice taken.
Learn how to make the PERFECT Sous Vide Filet Mignon. With a timing chart for the perfect rare, medium, or well done steak.
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Artichokes in instant pot liner.
Instant Pot Artichokes are quick and easy to make with the help of your electric pressure cooker. Plus, this recipe gives them SO much flavor!
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Overhead shot of cooked sunchokes in bowl.
Sunchokes are a knobby root vegetable that can be prepared in more ways than you can imagine! In this recipe, you’ll learn how to roast them with olive oil, garlic, and thyme. It’s an easy side dish you can pair with anything.
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Three pork chops arranged on grey plate with mashed potatoes and gravy.
Instant Pot Pork Chops cook up deliciously tender and juicy in your electric pressure cooker, and they’re finished off with an irresistible gravy.
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Toasty, buttery, herby, covered in a dusting of salty parmesan cheese, piping hot and fresh out of the oven—our homemade garlic bread recipe is everything you’re craving right now, and then some.
Get the RECIPE from The Modern Proper

How to Make Ahead and Store

Many of these French Onion Soup side dish recipes can be made ahead of time and stored in the refrigerator for a few days or even in the freezer. Simply check the individual recipes for full storing instructions and details on how to make ahead. 

Favorite French Onion Soup Recipes

Overhead closeup of bowl of french onion soup with spoon.
Instant Pot French Onion Soup
French onion soup dumplings in bowl.
French Onion Soup Dumplings

More Side Dish Recipes

Did you Make Any of These French Onion Soup Side Dishes?

Please leave a comment and rating below, if you loved this round up of what to serve with French Onion Soup. Also, be sure to snap a picture of your finished dish and share it with me on Instagram using the hashtag #platingsandpairings and tagging me @platingsandpairings.

HUNGRY FOR MORE? For more great Platings & Pairings recipes, be sure to follow me on Pinterest, TikTok, Facebook, YouTube and Twitter.

Also, check out over 35+ EASY soup recipes here!

Side view of two bowls of french onion soup in crockery topped with baguette slices & melted cheese.

What to Serve with French Onion Soup: 35+ Sides

Wondering what to serve with French Onion Soup? I’ve got you covered with this handy guide of the 35+ BEST side dishes. Try one of these sides with this Instant Pot French Onion soup. Made with delicious caramelized onions, beef broth, and melty Gruyere cheese croutons is the ultimate comfort food soup recipe.
5 from 1 vote
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Prep Time: 15 minutes
Cook Time: 30 minutes
Time for Pressure to Build: 30 minutes
Total Time: 1 hour 15 minutes
Servings: 6 people
Created by Platings and Pairings

Ingredients

  • 1/2 stick (1/4 cup unsalted butter)
  • 2 pounds onions (halved, then thinly sliced)
  • 6 cloves garlic (minced)
  • 2 Tablespoons flour
  • 3/4 cup dry white wine or dry vermouth
  • 4 cups reduced-sodium beef broth (32 ounces)
  • 2 teaspoons Worcestershire sauce
  • 3 sprigs fresh thyme
  • 1 bay leaf
  • 3/4 teaspoon salt
  • 1/2 teaspoon black pepper
  • 2 Tablespoons dry sherry or cognac (optional)
  • 6 1/2-inch-thick diagonal slices of baguette
  • ½ pound Gruyère cheese (grated)
  • 2 tablespoons grated Parmigiano-Reggiano (grated (optional))

Instructions

  • Set Instant Pot to SAUTE. Add butter and melt. Add onions and a pinch of salt and saute until softened, 5-6 minutes.
  • Add garlic and cook 1 minute longer. Hit CANCEL.
  • Add 1/4 cup stock to the onions, scraping any browned bits from the bottom of the pot. Place lid on pot and set to seal.  Press MANUAL high pressure and cook for 18 minutes. When time is up, quick release the pressure and remove lid. Hit CANCEL.
  • Set Instant Pot to SAUTE and add flour. Cook for 1-2 minutes.
  • Add wine and cook for 5 minutes, scraping up any brown bits from the bottom of the pot.
  • Add remaining broth, Worcestershire sauce, thyme, bay leaf and salt and pepper. Place lid on pot and set to seal.  Press MANUAL high pressure and cook for 0 (zero) minutes (not a typo). Quick release the pressure before removing lid. Stir in sherry (if using). Taste and season with additional salt and pepper, as needed.
  • Meanwhile, preheat the broiler. Arrange the baguette slices on a baking sheet in a single layer. Sprinkle the slices with the Gruyere and parmesan and broil until bubbly and golden brown, 3 to 5 minutes.
  • Ladle the soup into bowls and place Gruyere toasts on top.
Did you make this recipe?Mention @platingsandpairings or tag #platingsandpairings!

Equipment

Pressure cooker

Nutrition

Calories: 336kcal | Carbohydrates: 19g | Protein: 15g | Fat: 21g | Saturated Fat: 13g | Cholesterol: 61mg | Sodium: 939mg | Potassium: 606mg | Fiber: 3g | Sugar: 7g | Vitamin A: 627IU | Vitamin C: 12mg | Calcium: 337mg | Iron: 1mg

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