French Onion Soup Recipe | Instant Pot French Onion Soup

If you're a fan of rich, savory broth, caramelized onions, and gooey melted cheese, get ready for a culinary experience with this Instant Pot French Onion Soup recipe! In just a matter of minutes, you can create a bowl of warmth and comfort that's perfect for chilly days or any time you crave a classic and flavorful soup.

Overhead image of a bowl of french onion soup

Why You'll Love This Flavorful Soup

  • Quick and Easy. Ready in a fraction of the time it takes to make it traditionally, thanks to the Instant Pot.
  • Flavorful Broth. The pressure cooking process extracts deep flavors from the onions, creating a rich and savory broth.
  • Caramelized Onions. Achieve perfectly caramelized onions without the long stovetop cooking time.
  • Melted Cheese. Finish each bowl with a generous layer of melted cheese for that classic French Onion Soup experience.

With the convenience of the Instant Pot, you'll have a steaming bowl of soup on your table in no time. Whether you're serving it as a comforting appetizer or a hearty main dish, this recipe is sure to become a family favorite.

What's The Difference Between French Onion Soup And Onion Soup?

The terms "French Onion Soup" and "Onion Soup" are often used interchangeably, but there can be subtle differences between the two, primarily in terms of preparation, ingredients, and presentation. Here are some general distinctions:

  • Caramelization
    • Typically, French Onion Soup emphasizes the caramelization of onions. The onions are slowly cooked until they turn a deep, golden brown, imparting a rich and sweet flavor to the soup.
    • While onion soup recipes may also involve caramelizing onions, they might not necessarily focus on achieving the same level of deep caramelization as in the French version.
  • Broth Base
    • Traditionally, French Onion Soup is made with a beef broth base. The broth is often rich and flavorful, providing a robust backdrop to the sweet and savory notes of caramelized onions.
    • The broth base for onion soup can vary. It might be beef, chicken, or vegetable broth, depending on the recipe and regional variations.
  • Presentation
    • French onion is often presented in individual oven-safe bowls, with the cheese-topped bread floating on the surface. The bowls are then placed under a broiler to melt and brown the cheese.
    • The presentation can vary in onion soup. It might be served in bowls with various toppings or simply as a clear onion broth with onions and other ingredients.

What Broth Is French Onion Soup Made Of?

French Onion Soup is traditionally made with beef broth. The rich and savory flavor of beef broth serves as the base for this classic soup, complementing the sweet and caramelized onions. The beef broth contributes depth and complexity to the overall flavor profile of the soup.

How Do You Deepen The Flavor Of French Onion Soup?

To deepen the flavor of French Onion Soup and enhance its richness, you can follow these tips:

  • Caramelize Onions Thoroughly. Take the time to caramelize the onions slowly and thoroughly. This process, which involves cooking the onions over low heat until they turn a deep golden brown, intensifies their natural sweetness and adds complexity to the soup.
  • Use a Mix of Onions. Combine different types of onions, such as yellow, white, and red onions, to add layers of flavor. Each onion variety contributes its unique taste, creating a more complex and well-rounded profile.
  • Deglaze the Pot. After caramelizing the onions, deglaze the pot by adding a small amount of liquid, such as wine or broth, to loosen and incorporate the flavorful browned bits stuck to the bottom. This step helps maximize the taste transferred to the soup.

Ingredients You'll Need

  • Yellow Onions- Thinly sliced for the base of the soup.
  • Unsalted Butter- Enhances the flavor of the onions and contributes to the richness of the soup.
  • Olive Oil- Used in conjunction with butter for sautéing the onions.
  • Beef Broth- Provides a hearty and savory base for the soup.
  • Thyme- Fresh or dried thyme adds an aromatic element.
  • Bay Leaves- Enhance the flavor of the broth.
  • Salt and Pepper- To season the soup to taste.
  • Baguette- Sliced and toasted for the classic topping.
  • Gruyere Cheese- Grated and melted on top of the soup for that iconic cheesy crust.

How To Make Instant Pot French Onion Soup

  1. Sauté Onions. Set the Instant Pot to the sauté function. Cook the onions in butter and olive oil until deeply caramelized.
  2. Pressure Cook. Add thyme, bay leaves, beef broth, salt, and pepper to the pot. Pressure cook for a short duration to intensify the flavors.
  3. Prepare Baguette. While the soup cooks, slice the baguette and toast the slices until golden brown.
  4. Serve. Ladle the soup into oven-safe bowls, top with a toasted baguette slice, and sprinkle with grated Gruyere cheese. Broil until the cheese is bubbly and golden.
  5. Garnish and Enjoy. Garnish with fresh thyme, if desired, and serve the Instant Pot French Onion Soup hot.
close up image of a bowl of instant pot french onion soup

Tips And Tricks

Making Instant Pot French Onion Soup is straightforward, but a few tips can elevate your soup-making experience:

  • Thinly Slice Onions. For even and quick caramelization, thinly slice the onions.
  • Deglaze the Pot. After sautéing the onions, deglaze the Instant Pot by scraping the browned bits from the bottom. This enhances the soup's flavor.
  • Use Good-Quality Broth. Choose a high-quality beef broth or make your own for the best flavor. A rich broth is key to a delicious soup.
  • Oven-Safe Bowls. Ensure the bowls you use for serving are oven-safe. This allows you to melt the cheese directly under the broiler.

Variations

Add your own twist to Instant Pot French Onion Soup with these creative variations:

  • Add Wine. Deglaze the pot with a splash of red or white wine for added depth of flavor.
  • Vegetarian Version. Use vegetable broth instead of beef broth and substitute butter with olive oil for a vegetarian option.
  • Cheese Varieties. Experiment with different cheeses like Swiss or mozzarella for a unique flavor profile.

What To Serve With French Onion Soup

Enhance your Instant Pot French Onion Soup experience by serving it with these delightful accompaniments:

  • Side Salad- A simple green salad with a light vinaigrette provides a refreshing contrast to the rich soup.
  • Crusty Bread- Serve with a side of crusty bread for dipping into the savory broth.
  • White Wine- Pair with a glass of your favorite white wine for a complete dining experience.

How Long Does It Last?

Instant Pot French Onion Soup can be stored in the refrigerator in an airtight container for up to 3-4 days. Reheat gently on the stovetop or in the microwave, and re-melt the cheese under the broiler if desired.

Can You Freeze It?

While it's possible to freeze French Onion Soup, the texture of the onions may change upon thawing. For the best results, freeze the soup without the cheese topping and add fresh cheese when reheating.

More Instant Pot Soup Recipes

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Overhead image of a bowl of french onion soup

French Onion Soup Recipe | Instant Pot French Onion Soup

If you're a fan of rich, savory broth, caramelized onions, and gooey melted cheese, get ready for a culinary experience with this Instant Pot French Onion Soup recipe!
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
Course: Side Dish, Soups
Cuisine: French
Keyword: French Onion Soup, French Onion Soup Recipe, Instant Pot French Onion Soup
Servings: 6 servings
Calories: 414kcal
Author: AshleyThompson
Click on highlighted ingredients or Equipment to see exactly what I use to make this recipe

Ingredients

  • 6 Yellow Onions, thinly sliced
  • 4 tablespoon Unsalted Butter
  • 2 tablespoon Olive Oil
  • 6 cups Beef Broth
  • 1 teaspoon Thyme
  • 2 Bay Leaves
  • Salt, to taste
  • Black Pepper, to taste
  • 1 Baguette
  • 1 ½ cups Gruyere Cheese

Instructions

  • Sauté Onions. Set the Instant Pot to the sauté function. Cook the onions in butter and olive oil until deeply caramelized.
  • Pressure Cook. Add thyme, bay leaves, beef broth, salt, and pepper to the pot. Pressure cook for 5minutes to intensify the flavors. Allow the pressure to release naturally for 5 minutes, and then quickly release remaing pressure.
  • Prepare Baguette. While the soup cooks, slice the baguette and toast the slices until golden brown.
  • Serve. Ladle the soup into oven-safe bowls, top with a toasted baguette slice, and sprinkle with grated Gruyere cheese. Broil until the cheese is bubbly and golden.
  • Garnish and Enjoy. Garnish with fresh thyme, if desired, and serve the Instant Pot French Onion Soup hot.

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Nutrition

Calories: 414kcal | Carbohydrates: 31g | Protein: 18g | Fat: 25g | Fiber: 3g | Sugar: 7g
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