What to Serve with French Onion Soup? 16 Best Side Dishes

french onion soup side dishes

French onion soup is a classic dish that is both hearty and comforting. The rich, savory flavors of caramelized onions and beef broth make for a satisfying and delicious meal on their own, but sometimes you may want to add a little something extra to round out the meal. That's where the perfect side dish comes in.

Whether you're looking to add some color with a fresh salad, some crunch with crusty bread, or some extra richness with a gratin, there are countless side dishes that can complement and enhance the flavors of French onion soup.

french onion soup side dishes

Looking for a quick answer?

The best side dishes to serve with French onion soup are the classic French dip, potatoes au gratin, mushroom risotto and french fries. If you want to keep things on the lighter side, try crispy green beans, ratatouille, caesar salad, or roasted vegetables.

Now, let’s get cooking!

1. French Dip Sandwich

Sub rolls cut into half filled with chuck roast slices and melted cheese top view

A French dip sandwich and French onion soup both feature beef as their primary ingredient, which makes them a natural pairing. The sandwich is typically served on a baguette or a hoagie roll, not unlike the crusty bread that is often served alongside French onion soup. This bread is meant to be dipped in the beefy broth of your French onion soup to create a rich and satisfying bite.

2. Roasted Potatoes

Roasted Potatoes

These roasted potatoes add a satisfying crunchy texture to the meal that compliments the French onion soup. They have a mild flavor that won't overpower the French onion soup. This allows the soup to remain the star of the meal while adding sustenance to create a hearty meal.

3. Crispy Green Beans

Crispy Green Beans

These crispy green beans add a healthy vegetable component, which can help balance out the indulgent nature of French onion soup. Additionally, they provide a delightful contrast in texture which provides both comfort and nutrition, creating a well-balanced meal.

4. Mushroom Risotto

Mushroom risotto

You can serve mushroom risotto alongside your French onion soup to add a satisfying depth of flavor to the meal. The umami-rich mushrooms and creamy arborio rice provide a flavor and texture that pairs well with the complexity of the French onion soup. It's a rich and savory dish that brings comforting, cozy, and hearty elements to the table.

5. Sausage and Spinach Quiche

plate with whole quiche and plate with quiche slice with min leaves

Quiche and French onion soup are both classic French dishes that are often served together in bistros and cafes across the City of Light!

This delicious sausage and spinach quiche has a flaky crust and a creamy filling that contrasts with the texture of the soft broth and chewy croutons in the French onion soup. The quiche provides a bit of crunch, and the soup provides a comforting warmth.

6. Ratatouille


Ratatouille and French onion soup are both classic French dishes that are often served together in French cuisine. They share similar ingredients, have complementary flavors, and a textural contrast making ratatouille and French onion soup a delicious combination.

7. Roasted Vegetables

Vegetable Medley

French onion soup is typically high in sodium, so adding a side of roasted vegetables can provide additional nutrients, fiber, and antioxidants to the meal. Additionally, Roasted vegetables have a crispy exterior which can provide a pleasing contrast to the soft, broth-like consistency of the French onion soup.

8. Potatoes Au Gratin

Potatoes au gratin with thyme and spices on top

French onion soup has a rich, savory flavor from the caramelized onions and beef broth, while potatoes au gratin have a creamy and cheesy flavor with just a hint of thyme. The savory and sweet flavors of the soup complement the creamy and cheesy flavors of the potatoes

9. French Fries

French Fries

French fries are another more indulgent side dish to serve with a French onion soup. They provide a crispy and salty complement to the rich and savory flavors of French onion soup

10. Mashed Potatoes

Mashed p

Both mashed potatoes and French onion soup are comforting, hearty dishes that can create a warm and satisfying meal. Mashed potatoes are also highly customizable, so they can be flavored in a variety of ways, such as with herbs, garlic, or cheese, to complement the flavors of the soup.

11. Garlic Bread

Garlic bread is easy to prepare and can be made quickly, making it a convenient side dish to serve with French onion soup. It's also an affordable side dish option that is highly customizable and can be made with a variety of bread types, such as baguette, sourdough, or ciabatta.

12. Caesar Salad

Serve your French onion soup alongside a fresh, vibrant caesar salad. The crisp lettuce, crunchy croutons, and salty parmesan cheese provide a contrast in texture to the soft, brothy consistency of the soup. Additionally, caesar salad can be customized with different toppings, such as grilled chicken, shrimp, or tofu, to add some protein to your meal.

13. Cheddar Apple Grilled Cheese

Combining your French onion soup with a cheddar apple grilled cheese provides a variety of flavors and textures, which can make for an interesting and enjoyable meal. The melty and gooey texture of the cheddar apple grilled cheese with its crispy bread provides a contrast in texture to the soft, tender onions in the soup.

14. Broccoli Gratin

Broccoli gratin is a good side dish to serve with French onion soup because even though it's indulgent on its own, broccoli brings much-needed nutritional value to the meal. Broccoli is a good source of vitamins and minerals, including vitamins C, K, A, folate, and fiber. This pairing can build a nutritionally balanced meal complete with carbohydrates, protein, and healthy fats.

15. Crispy Parmesan Roasted Brussels Sprouts

Both French onion soup and these crispy parmesan roasted Brussels sprouts are comforting dishes that provide a sense of warmth and satisfaction. Additionally, the crispy texture of the Brussels sprouts provides a nice contrast to the soup.

16. Leek and Potato Galette

A leek and potato galette is an aesthetically pleasing and impressive side dish to serve with French onion soup. Since both dishes feature savory, earthy flavors, the leek and potato galette enhances the flavors of the French onion soup and vice versa.

What Goes With French Onion Soup

  • French Dip Sandwich
  • Roasted Potatoes
  • Crispy Green Beans
  • Mushroom Risotto
  • Sausage and Spinach Quiche
  • Ratatouille
  • Roasted Vegetable
  • Potatoes au Gratin
  • French Fries
  • Mashed Potatoes
  • Garlic Bread
  • Caesar Salad
  • Cheddar Apple Grilled Cheese
  • Broccoli Gratin
  • Crispy Parmesan Roasted Brussels Sprouts
  • Leek and Potato Galette

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french onion soup side dishes

What to Serve With French Onion Soup

Do you love making French onion soup but have no idea what to serve with it? Check out this collection of the best side dishes that goes with French onion soup for some delicious ideas.
5 from 2 votes
Print Pin Rate
Course: dinner, lunch, Side Dish
Cuisine: French
Keyword: french onion soup, french onion soup recipe, french onion soup side dishes, what to serve with french onion soup
Prep Time: 5 minutes
Cook Time: 5 minutes
Total Time: 10 minutes
Servings: 4 servings
Author: Corrie


  • 1 French onion soup


  • Make your favorite French onion soup recipe.
  • Select a side dish like a French dip sandwich, roasted potatoes, crispy green beans, mushroom risotto, sausage and spinach quiche, ratatouille, roasted vegetables, potatoes au gratin, French fries, mashed potatoes, garlic bread, caesar salad, cheddar apple grilled cheese, broccoli gratin, crispy parmesan roasted Brussels sprouts, or a leek and potato galette, and prepare.
  • Serve while fresh, and enjoy!
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