Easy French Onion Soup

This Easy French Onion Soup is rich, comforting and so good with toasted cheesy bread for dipping!

French Onion Soup

About French Onion Soup:

Onion soups have been popular since the Roman times– often as an inexpensive way to make a meal as onions were easy to grow. The modern version of this soup originated in Paris.  It’s a beef broth soup with plenty of sauteed (or caramelized) onions, and it’s usually topped with a melted cheese slice of baguette.  Sherry or brandy are often added to the soup before serving. In the United States, French Onion Soup surged in popularity in the 60’s- when French cuisine was becoming popular.

French Onion Soup

Lately I’ve been craving soup on a weekly (sometimes daily) basis. It makes the perfect lunch. I can make a big pot of soup on Sunday and then portion it out to take to work with me over the next few days. Lunches made and ready to go for days? Yes, please!

Recently I made a big pot of this French Onion Soup, and it was delicious for Sunday dinner on a cold, rainy day. There’s something magical about toasted cheesy bread on top of a hot bowl of soup! When I make this soup, I like to make extra slices of cheesy bread for dipping. You can add them to the baking sheet when you put your soup bowls into the oven under the broiler.

French Bread in Easy French Onion Soup

Do you order French Onion Soup often when you eat out? I rarely do, but I really enjoyed this homemade version. As you expect from French Onion Soup, this soup is rich and comforting. Slowly caramelizing the onions on the stove brings out their sweetness and adds so much flavor to this soup. Really, you won’t believe how easy it is to make!

The leftovers of this soup make a delicious lunch that you will look forward to eating! If you do have leftover soup, don’t add the cheesy bread until right before serving. With my leftovers, I served bread on the side since I didn’t have time to worry about putting my soup under the broiler at lunchtime.

French Onion Soup

Recipes for French Onion Soup will vary in their ingredients and cooking methods. I tried to keep this one as simple as possible. I think you’re going to love it!

Here are a few more soup recipes you might enjoy:

Easy French Onion Soup

Love this simple version of the oh-so-comforting classic French onion soup!

Course Soup
Cuisine French
Keyword easy french onion soup, french onion soup
Prep Time 20 minutes
Cook Time 1 hour
Servings 4 servings
Calories 544 kcal


  • 3 tablespoons butter
  • 1/2 tablespoon olive oil
  • 2 pounds (about 3) yellow onions, thinly sliced
  • 1/2 teaspoon granulated white sugar
  • 1/4 teaspoon salt
  • 1/8 teaspoon pepper
  • 2 tablespoons all purpose flour
  • 6 cups beef broth
  • 1 whole bay leaf
  • 8 slices baguette
  • 4 ounces (1 cup) grated Gruyere cheese
  • 1 ounce (1/4 cup) freshly grated Parmesan cheese
  • fresh thyme for garnish, optional


  1. Melt the butter in a large pot or Dutch oven over medium heat. Add the olive oil, onions and sugar. Cook, stirring occasionally, until onions are soft, lightly browned and caramelized, about 30 minutes.

  2. Add the salt, pepper and flour and cook, stirring, for 1 minute. Stir in the beef broth and add the bay leaf to the pot. Increase heat to bring to a boil. Reduce heat to medium-low and simmer for 30 minutes.

  3. Taste the soup and season with more salt and pepper as needed.

  4. Place baguette slices on a baking sheet and toast under the broiler for 2 to 3 minutes, until lightly browned.

  5. Spoon soup into 4 oven-safe bowls. Place 2 baguette slices on top of each bowl of soup. Sprinkle on grated Gruyere and Parmesan.

  6. Place bowls on a rimmed baking sheet and transfer to the oven. Heat under the broiler for 2 to 3 minutes, until cheese is melted and lightly browned. Serve.

Recipe Video

Nutrition Facts
Easy French Onion Soup
Amount Per Serving (1 serving)
Calories 544 Calories from Fat 225
% Daily Value*
Total Fat 25g 38%
Saturated Fat 13g 65%
Cholesterol 60mg 20%
Sodium 2165mg 90%
Potassium 628mg 18%
Total Carbohydrates 57g 19%
Dietary Fiber 6g 24%
Sugars 11g
Protein 24g 48%
Vitamin A 12.2%
Vitamin C 20.3%
Calcium 49.1%
Iron 18.7%
* Percent Daily Values are based on a 2000 calorie diet.
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Kristine Rosenblatt

Meet The Author: Kristine Rosenblatt

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  • Carol Records wrote:

    I love it when I get a picture with the recipe because I print them out.  I am much more likely to use it over and over when I am looking for a recipe among many recipes.

  • Any wrote:

    Amazing soup! Been searching for a recipe that tastes like one from the French style chain (minus the beer) and FOUND it! Even without the cheese/ bread it tastes so good. Thank you for sharing.