Julia Child's French Onion Soup (2024)

Last Updated on: February 27, 2024

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Looking for a rich and hearty soup to warm you up on a cold, rainy night? Julia Child’s French onion soup is everything you need and more.

Sweet caramelized onions swimming in a rich beef broth topped with toasted bread and melty cheeses: French onion soup is rustic comfort food at its finest.

One spoonful of this soup is guaranteed to tickle your tastebuds and warm your heart.

Julia Child's French Onion Soup (1)

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There is nothing like the flavor and texture combinations of caramelized onions, French bread, cheese, and beef to soothe your soul.

Simply put, it’s perfection in a bowl.

Julia Child’s French Onion Soup Recipe

French onion soup is a thin soup made with caramelized onions, beef broth, and wine, and topped with bread and cheese.

It originated in – surprise – France; and dates back all the way to the 18th century.

I don’t know about you, but when I hear French onion soup, I think super fancy and elegant.

But it actually started as a peasant soup made with onions and stale bread!

The more sophisticated soup we know and love is just a modernized version.

When it comes to French onion soup, there is no better person to turn to than the great Julia Child.

I think it’s safe to say that her recipe is the most classic and authentic one you can find out there!

The key to the best French onion soup is to caramelize the onions, and this takes at least 40 minutes. You must be patient, but don’t worry, the result is worth the wait.

Ingredients

The great thing about French onion soup is that it only calls for basic ingredients. In fact, I’m sure you’ll find all of these readily available in your kitchen!

  • Onions. Classic French onion soup calls for yellow onions, but you can also use white or red.
  • Butter. It’s a crucial ingredient to caramelize the onions. You can use olive oil, but nothing beats the richness of butter.
  • Flour. Going hand in hand with butter, flour forms a roux that thickens the soup.
  • White Wine. It comes in handy when your onions are burning at the bottom of the pan. Pouring in a few spoonfuls of wine will deglaze the pan, helping you scrape out the burned onion bits.
  • Beef Stock. It’s the flavor base of the soup. Classic French onion soup calls for beef, but you can also experiment with chicken or veggie.
  • French Bread. It’s the iconic soup topping. Any French bread will do, but a crusty baguette is highly recommended.
  • Cheeses. The only way to top your French bread. This recipe calls for Swiss and Parmesan, but you can also use whatever mild and melty cheeses you want. Gruyere, asiago, gouda, brie, Havarti, blue, and mozzarella are all fantastic options.

Tips for Flavorful Onion Soup

  • The flavor of this soup lies in the broth, so high-quality beef stock is key. Use homemade beef stock as much as possible. If you don’t have it on hand, get one from the butcher.
  • Canned beef stock should be your last option. Taste it first before going for it!
  • The onions are the highlight of the soup, so you’ll want to make that extra effort of caramelizing them properly. Don’t settle for shortcuts and strictly adhere to the process.
  • You also want to simmer the broth for at least 30 minutes. Do not skip this step! It is crucial to get that deeper, richer, beefy flavor.

Can This Dish Be Made in Advance?

Definitely!

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You can store the soup in the fridge, sans the bread and cheese, and it will keep well for up to 3 days.

If you want it to last much longer, you can freeze the soup for up to 3 months.

You can prepare the bread ahead of time, place it in an airtight container, and store at room temperature. Toasted bread will keep well for up to 3 days.

Julia Child's French Onion Soup (2)

What to Serve with French Onion Soup

French onion soup works as a stand-alone meal, but you also can’t go wrong with adding meat to your dinner.

Any meaty dish, such as roasted pork tenderloin, grilled chicken, or steak, are all excellent options.

Since the soup is so rich and hearty, you can also balance it out with a light salad or roasted Brussels sprouts.

More Hearty Soup Recipes You’ll Love

15 Bean Soup
Chicken Tortilla Soup
Olive Garden Chicken Gnocchi Soup
Chipotle Black Bean Soup

Julia Child's French Onion Soup (3)

Julia Child’s French Onion Soup

Servings

6-8

servings

Prep time

30

minutes

Cooking time

2

hours

Ingredients

  • 5-6 cups yellow onions, thinly sliced

  • 1 tablespoon cooking oil

  • 2 tablespoons butter

  • 1/2 teaspoon sugar

  • 1 teaspoon salt

  • 3 tablespoons flour

  • 6 cups beef stock (better if homemade)

  • 1/2 cup wine (dry white wine or dry white vermouth)

  • 8 slices French bread, about 1-inch thick

  • 4 tablespoons olive oil for drizzling

  • Salt and pepper to taste

  • 2-3 tablespoons cognac

  • 1/2 raw yellow onion, grated

  • 12 ounces Swiss cheese, grated

  • 4 ounces parmesan cheese, grated

Instructions

  • Place a heavy-bottom stockpot or Dutch oven on a stove over medium-low heat. Add cooking oil and butter. Saute onions until evenly coated with oil and butter.
  • Cover the pot and let it sit until onions are soft and translucent, about 20 minutes. For caramelized onions, turn the heat to medium or medium-high. Stir in sugar and salt and cook uncovered, stirring often until onions are browned and reduced.
  • Reduce heat to medium-low and stir in the flour. Stir for 2-3 minutes, or until the flour and butter form a thick paste. If paste is not achieved, add more butter.
  • Mix in 1 cup of warm beef stock. Scrape the bottom of the pan to prevent scorching. Stir in the remaining stock and wine. Let the soup simmer for 30 minutes.
  • For the croutons or toasted bread, preheat your oven to 325 degrees F. Drizzle bread with olive oil and place on a baking sheet. Bake the bread for 15 minutes at 325 degrees F. Flip the slices over and bake for another 15 minutes.
  • Once the soup has simmered, preheat your oven to 350 degrees F.
  • Salt and pepper to taste.
  • Pour the soup into a casserole dish. Stir in cognac, the 1/2 raw onion (grated), and a few ounces of Swiss cheese.
  • Top the soup with toasted bread in a single layer. Top the bread with the remaining Swiss and Parmesan cheese. Be sure all the edges of bread are covered to avoid burning. Drizzle with oil or melted butter.
  • Bake the casserole at 350 degrees F for 30 minutes. Turn on the broiler and brown the cheeses.
  • Let the soup cool for a few minutes before serving. Enjoy!
Julia Child's French Onion Soup (4)

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Kim - InsanelyGood

Hey there! I'm Kim. I love running, cooking, and curling up with a good book! I share recipes for people who LOVE good food, but want to keep things simple :)

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Julia Child's French Onion Soup (2024)

FAQs

What was Julia Child's favorite soup? ›

Let's test her vichyssoise recipe to find out! Soup was one of Julia Child's favorite things to eat, and reportedly, her absolute favorite was vichyssoise.

What was Julia Child's famous meal? ›

Child's Boeuf Bourguignon recipe was featured in one of the earliest episodes of The French Chef and has become a classic among the many Child enthusiasts at GBH. In fact, GBH News host Henry Santoro concludes there's no better recipe for the dish.

How can I increase the flavor of French onion soup? ›

A few sprigs of thyme and a bay leaf elevate the soup even more, but I take it a step further, adding a splash of fish sauce for complexity and depth—don't worry, it won't taste fishy—and a hit of cider vinegar to balance some of that oniony sweetness.

What liquor is added to French onion soup? ›

Myriad forms of booze can be incorporated into your favorite French onion soup recipe — from white wine, to sherry, to stouts — but brandy, with its full-bodied, slightly sweet flavor, truly takes the dish's flavors to the next level.

What was the meal that changed Julia Child's life? ›

For their first meal in France, Paul ordered oysters, sole meunière and a green salad. Child devoured the meal, calling it “perfection.” Alex Prud'homme, Child's grandnephew and cowriter of her memoir, “My Life in France,” opened the book with this now famous scene.

What did Julia Child have for her last meal? ›

Child's last meal of French onion soup was actually prepared by someone else; though, The Los Angeles Times reported when the news of her death broke. Though Child was in her own home when it happened, her assistant Stephanie Hersh was the one who had cooked the French onion soup.

Why is my French onion soup so bland? ›

If you don't add enough salt, pepper, or other herbs and spices, the soup may taste bland.

Why do you put baking soda in French onion soup? ›

The caramelized onions for this soup cook more quickly due to a pinch of baking soda but still have that deep, slow-cooked flavor. Topping the soup with hot, cheesy toasts prepared while the soup simmers, eliminates the need to bake the soup in specialty French onion soup bowls.

What is the difference between onion soup and French onion soup? ›

What is the Difference Between Onion Soup and French Onion Soup? French onion soup is always made with beef stock. Other onion soups can be made with chicken, vegetable, or beef stock. Additionally, French onion soup typically contains wine or sherry, which isn't typical or necessary in other onion soups.

What is Panera French onion soup made of? ›

Sweet caramelized onions in a savory broth with a sherry wine vinegar gastrique, sea salt, topped with cheese and black pepper and sea salt croutons.

What is the best wine to use for French onion soup? ›

Wine is optional to deglaze the pan and add flavour to the soup. I recommend a dry white or red wine, such as a good quality Pinot Grigio/Gris, Sauv Blanc, Sémillon, Chardonnay, Merlot or Pinot Noir. Generally, if you can't drink it, don't cook with it.

Why do French people eat French onion soup? ›

The Onion Soup, a traditional and warming dish

It has even become a trendy dish that tourists are eager to try to experience French gastronomy. However, onion soup is in fact not part of French people's daily meals. It was originally meant to be eaten after a family reunion in the middle of the night to cure hangovers

What was Julia Child's favorite cooking store in Paris? ›

Where did Julia Child shop? Aside from the many French restaurants Julia would frequent, her favourite place to go was E. Dehillerin — a French cookware store in Paris. Established in 1820, this historic landmark was Julia's treasure trove of copper pots during her time living in Paris in the 50s'.

What was Julia Child's favorite cake? ›

A Reine de Saba cake is a French, rich, sophisticated, chocolate cake made with ground almonds, rum, meringue and of course chocolate. It's topped with a chocolate ganache and can be decorated with almond slices. It's said to be one of the first French cakes that Julia Child ever ate and fell in love with!

What did Julia Child eat for breakfast? ›

Child -- put me and them at ease with her genuine friendliness and zest for living. She ordered a hearty breakfast -- grapefruit half, plain yogurt, fried egg, 2 strips bacon, toast with butter and preserves, orange juice, and coffee with milk -- and ate most of it despite constant interruptions.

Did Julia Child use a lot of butter? ›

3. She used an exorbitant amount of butter — even later in life. According to PBS, Child used a whopping 753 pounds of butter during the time she filmed "Baking with Julia." That program aired for just four seasons, from 1996 through 1999, so that's a pretty impressive amount of dairy.

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