HomePastaBrennan's French Onion Soup - CopyKat Recipes

Brennan’s French Onion Soup – CopyKat Recipes


Brennan’s makes some hearty French onion soup. Onions are gently sauteed in butter, and when caramelized completely beef inventory is added. Their recipe is barely totally different than most onion soups with the addition of an egg yolk and cream for further richness.

Copycat Brennan's French onion soup in two soup crocks.

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What Makes Brennan’s French Onion Soup So Good? 

In a metropolis that prides itself on custom, Brennan’s Restaurant stands out as a kind of stalwart institutions that ooze outdated New Orleans allure. In spite of everything, one model or one other of the restaurant has been the go-to spot for locals and guests to town since 1946.

Whereas Brennan’s serves a wide array of upscale French and Creole-inspired dishes, its uncommon tackle French Onion Soup has wowed visitors for many years. Brennan’s French Onion Soup forgoes the wine and sherry present in conventional recipes however provides eggs and cream for an extremely decadent dish.

Why You Ought to Attempt This Recipe

There aren’t many high-end restaurant recipes on this web site, however this New Orleans French Onion Soup recipe from Brennan’s is particular. It’s particular, not solely due to how wonderful it tastes, however as a result of it’s truly simple to organize.

There isn’t any cause to really feel intimidated by upscale dinner recipes that use phrases you aren’t conversant in, reminiscent of making a liaison or tempering. They’re simply fancy phrases for straightforward cooking strategies, and the outcomes are fully value it. 

Brennan’s French Onion Soup Components

For this distinctive tackle French Onion Soup, you’ll want the next:

  • Candy onions
  • Unsalted butter
  • All-purpose flour
  • Beef inventory
  • Cayenne pepper
  • Salt
  • Egg yolk
  • Heavy cream
  • French bread
  • Parmesan cheese
Copycat Brennan's French onion soup ingredients on a tray.

Ingredient Notes and Substitutions

With their barely candy taste, Vidalia onions are a superb alternative for making French Onion Soup. Walla Walla onions are one other good possibility. If you happen to can’t discover candy onions, strive utilizing white onions with a pinch of sugar.

Substituting mild or half & half for the heavy cream on this recipe received’t work. You want the fats content material to thicken the soup with out separating.

Substituting olive oil for the butter received’t work both. You want the butter’s creaminess and taste.

You may swap croutons or sauteed breadcrumbs for slices of French bread should you choose.  

If desired, you may substitute the Parmesan cheese with Swiss or Gruyere.

Add two bay leaves to the soup for added taste. Keep in mind to take away them earlier than serving the soup.

The way to Make Brennan’s French Onion Soup

To organize Brennan’s French Onion Soup:

  1. Minimize the onions into paper-thin slices. Use a mandolin if in case you have one; simply watch out and use the meals guard that got here with it. 
  2. Soften the butter in a big soup pot on the bottom setting in your range. Add the onions and stir effectively to coat within the butter.
  3. Cook dinner the onions on very low warmth till the onions begin to break down. Stir sometimes. 
  4. Sprinkle the flour over the onions and stir it in. 
  1. Whereas the onions are cooking, soften butter in a small bowl within the microwave. Add the bread crumbs and stir to coat with the melted butter.
  2. Switch the bread crumbs to a small oven-safe dish, and bake for about 10 to 12 minutes, till they start to brown and develop into aromatic. Take away from the oven and put aside
  3. Proceed to prepare dinner and stir the onions for 10 to fifteen extra minutes earlier than pouring within the beef inventory and including the cayenne pepper and salt.  
  4. Carry the soup to a boil and scale back it to a simmer for 15 extra minutes. Stir every now and then. 
  1. Whereas the soup is simmering, use a whisk to mix the egg and heavy cream collectively in a small bowl. Reserve for later. 
  2. Take away the pot from the warmth. 
  3. Mood the egg and cream combination by including a couple of tablespoons of the new soup to the bowl whereas whisking. Elevating the temperature will assist to forestall the egg from scrambling if you add it to the remainder of the soup.
  1. Pour the warmed egg and cream combination into the soup pot and stir effectively. This step, known as a Liaison Finale in French, rapidly thickens soups and sauces with out including starch.
  2. You may hold the soup heat in a soup kettle, crock pot, or over low warmth.
  3. To serve, preheat the oven to broil and ladle the soup into oven-safe bowls. Place the bowls on a baking sheet.
  4. Float slices of French bread on the soup and high the rounds of bread with parmesan cheese and buttered bread crumbs. Soften the cheese underneath the broiler flame.
  5. If desired, garnish the soup with contemporary thyme leaves or different contemporary herbs.
Copycat Brennan's French onion soup in two bowls and two spoons.

What to Serve It With This New Orleans French Onion Soup Recipe

This soup is fairly wealthy, so it’s a good suggestion to pair it with one thing that’s on the lighter aspect. An entree salad is a superb alternative; maybe a Cobb salad, spinach salad with heat bacon dressingwedge salad with blue cheese dressing, or Rooster Caesar saladBaked white fish or poached fish can also be a great possibility.

In case you are actually hungry, then go forward and make a basic Steak Frites for an genuine French expertise. 

The way to Retailer French Onion Soup

If doable, eat this soup the identical day you make it. Though it can save you leftovers for a couple of days in an hermetic container within the fridge, there’s a great likelihood the soup will get clumpy and received’t reheat all that effectively because of the egg and cream in it.

So, should you plan to make the soup prematurely, cease getting ready the recipe earlier than including the egg and cream. It would reheat a lot better.

What’s the Finest Strategy to Reheat French Onion Soup

To reheat a soup already thickened with egg and cream, pour it right into a saucepan and add some beef inventory or water to skinny it out. Warmth it gently over medium-low warmth whereas stirring always. Garnish the soup with the sliced bread and cheese and end it within the oven as above. 

If you happen to didn’t add the liaison, simmer the leftovers in a medium saucepan, and thicken the soup with egg and cream as described within the recipe. End the recipe as said.

Overhead view of copycat Brennan's French onion soup in two soup crocks.

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Copycat Brennan's French onion soup in two soup crocks.

Brennan’s Onion Soup

Make Brennan’s French Onion Soup at residence with this copycat recipe.

Add to Assortment

Course: Soup

Delicacies: French

Key phrase: Brennan’s Onion Soup

Prep Time: 10 minutes

Cook dinner Time: 25 minutes

Whole Time: 35 minutes

Servings: 8

Energy: 504kcal


  • 16 ounces butter divided use
  • 4 cups sliced onions
  • 1 cup bread crumbs
  • 1 3/4 cups all-purpose flour
  • 12 cups beef inventory
  • 1/2 teaspoon cayenne pepper
  • 1 1/2 tablespoons salt
  • 1 egg yolk
  • 2 tablespoons cream
  • 8 slices French bread toasted
  • ½ cup grated Parmesan cheese


  • In a 6-quart soup pot, soften 12 ounces of butter. Add the onions and scale back the warmth to very low, guaranteeing that the onions don’t brown. Cook dinner till the onions have caramelized.

  • Whereas the onions are cooking, preheat the oven to 350°F.

  • Soften 4 ounces of butter in a small bowl within the microwave for about 30 seconds on excessive energy. Add the bread crumbs and stir to coat with the melted butter. Switch the bread crumbs to a small oven-safe dish, and bake for about 10 to 12 minutes, till they start to brown and develop into aromatic. Take away from the oven and put aside.

  • When the onions have caramelized, add the flour to the pot and prepare dinner for five to 10 minutes, stirring sometimes.

  • Add the inventory, cayenne, and salt and produce to a boil. Scale back the warmth and simmer for about quarter-hour. Take away the pot from the warmth.

  • Beat the egg yolk and cream in a small bowl. Add somewhat of the soup to the bowl and blend rapidly. Then add the egg combination to the soup pot.

  • Ladle the soup into small bowls, place a chunk of toasted French bread over every bowl, and sprinkle with the grated Parmesan cheese and buttered bread crumbs. Place the bowls underneath the broiler till the cheese melts and begins to brown. Serve instantly.


Energy: 504kcal | Carbohydrates: 32g | Protein: 11g | Fats: 37g | Saturated Fats: 23g | Ldl cholesterol: 121mg | Sodium: 2331mg | Potassium: 822mg | Fiber: 2g | Sugar: 5g | Vitamin A: 1205IU | Vitamin C: 5.9mg | Calcium: 67mg | Iron: 2.5mg




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