French Onion Soup

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French onion soup is one of my favorite soups, we order it all the time at our neighborhood restaurant but it’s just as easy to make from scratch and so much lighter.

French Onion Soup
French Onion Soup

French onion soup is one of my favorite soups, it’s comforting and filling, perfect for lunch or dinner as a main with a salad, or serve it as a first course. Making it from scratch is great for weekend cooking, leftover broth can be reheated for the week.

French onion soup is one of my favorite soups, we order it all the time at our neighborhood restaurant but it's just as easy to make from scratch and so much lighter.French onion soup is one of my favorite soups, we order it all the time at our neighborhood restaurant but it's just as easy to make from scratch and so much lighter.

We love going to our neighborhood restaurant for French onion soup, but it’s far from light. I wanted to recreate their soup at home so I could enjoy it more often but with fewer calories. This French onion soup is easy to make and lighter than most restaurant versions. A hearty bowl is the perfect meal this time of year when it’s so cold outside.

Traditional French onion soup is made with a lot more butter and usually topped with lots of cheese. While it’s delicious, it’s not the healthiest. My recipe calls for just one slice of cheese on each serving. Gruyere cheese is typically used in French onion soup, but Alpine Lace Swiss cheese is a great lighter alternative. You can also use mozzarella if you prefer.

What goes with French onion soup?

French onion soup is great by itself, but you could serve it with a salad to round out your meal. Try the soup with my berry salad with goat cheese or arugula salad with fig and prosciutto. You could also serve the soup as a starter for any meal. It would be perfect paired with roast beef and roasted brussels sprouts.

What kind of onions do you use for French onion soup?

I use yellow onions in my French onion soup, but you could use Vidalia, white, or red onions.

How to Make French Onion Soup

First, you need to cook the onions in butter for about 20 to 30 minutes. You want the onions to get soft and turn a nice golden color. Once the onions are ready, add in flour and mix for a couple of minutes. Then mix in the thyme, bay leaf, sherry, wine, and brandy and simmer for 10 minutes.

Add the beef stock, salt, and pepper, reduce the heat, cover, and simmer for 20 minutes. After, ladle the soup into six oven-proof bowls and place on a baking sheet. Cover with a round piece of toast and top with a slice of cheese.

Put the tray in the oven and broil for 2-3 minutes until the cheese melts. Keep an eye on it – the cheese can burn quickly if left under the broiler for too long.

Variations and Tips:

  • Beef Broth – I usually make my own beef stock, which makes all the difference in the flavor but canned works fine too, as long as you use one you really like. I usually buy a few brands and taste them, trust me it’s worth the few bucks you will spend then ruining the whole meal. This Best Beef Broth and Stock article from Epicurious is really helpful. I’ve also done this with half beef and half chicken broth.
  • Low-Carb – you can make this soup low carb by swapping out the bread for steamed cauliflower to hold the cheese up. Another low-carb trick I like to use is making Parmesan crisps (without the everything bagel seasoning) and using that top hold the cheese when melting.
  • Onions – Use Vidalia, red, or white onions in place of the yellow onions.
  • Gluten-free – Make the soup gluten-free by subbing in gluten-free flour and bread.
  • Cheese – Use Gruyere or another white cheese, such as fontina, mozzarella or provolone instead of the reduced-fat Swiss if you prefer.

To Make Ahead:

The broth can be made ahead and refrigerated for up to 4 days. Reheat on the stove then toast the bread and melt the cheese before ready to serve.

caramelizing onions for soupcaramelizing onions for soupCaramelized OnionsHow To Make French Onion SoupFrench onion soup is one of my favorite soups, we order it all the time at our neighborhood restaurant but it's just as easy to make from scratch and so much lighter.French onion soup is one of my favorite soups, we order it all the time at our neighborhood restaurant but it's just as easy to make from scratch and so much lighter.

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French onion soup is one of my favorite soups, we order it all the time at our neighborhood restaurant but it's just as easy to make from scratch and so much lighter.
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4.56 from 9 votes
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French Onion Soup

312.8 Cals 17.9 Protein 31.6 Carbs 11 Fats
Prep Time: 5 mins
Cook Time: 55 mins
Total Time: 1 hr
Yield: 6 servings
COURSE: Dinner, Soup
CUISINE: American
French onion soup is one of my favorite soups, we order it all the time at our neighborhood restaurant but it's just as easy to make from scratch and so much lighter.

Ingredients

  • 2 pounds yellow onions, sliced thin
  • 2 tbsp unsalted butter
  • 2 tbsp flour, (or gluten-free flour)
  • 1 bay leaf
  • 1/2 tsp dried thyme
  • 1 ounce dry sherry
  • 1 ounce Cognac or brandy
  • 2 ounces white wine
  • 9 cups beef broth, (store bought or homemade)
  • kosher salt and freshly ground pepper, to taste
  • 6 slices toasted Italian bread (6 ounces), or gluten-free bread
  • 6 slices reduced-fat Swiss, or your favorite cheese

Instructions

  • In a Dutch oven, or large pot, sauté the onions with the butter over medium heat, until the onions are soft and golden, about 20 to 30 minutes, stirring often. Add a few drops of water if they get too dry. You want them caramelized but not browned.
  • Add flour, mixing well another 2-3 minutes.
  • Add thyme, bay leaf, sherry, wine and brandy, and simmer uncovered for 10 more minutes.
  • Add the beef broth, salt & pepper to taste, reduce heat.
  • Cover and simmer gently for about 20 minutes.
  • Remove bay leaf and ladle 1-1/2 cups soup into 6 oven-proof bowls.
  • Place bowls on a baking sheet.
  • Place sliced toasted bread rounds into each bowl and top bread with cheese.
  • Broil 2 to 3 minutes, until cheese melts.

Nutrition

Serving: 1-1/2 cups, Calories: 312.8kcal, Carbohydrates: 31.6g, Protein: 17.9g, Fat: 11g, Saturated Fat: 3.1g, Cholesterol: 11.8mg, Sodium: 875mg, Fiber: 3.3g, Sugar: 4.8g
WW Points Plus: 8
Keywords: French Onion Soup, healthy french onion soup, how to make french onion soup, skinny french onion soup

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91 comments

  1. Soooo good. Even my picky 11 year old liked it. I didn’t have Cognac, sherry, brandy or white wine so I was worried it wouldn’t turn out the way it should but it turned out delicious!!
    Thank you for your amazing recipes!

  2. I was so excited to find a French onion soup that was lightened up without sacrificing taste.  And yet again- skinnytaste recipe for the win! 

    It’s so good that 1). I don’t think I would enjoy the salty, too buttery restaurant version anymore and 2).  My husband was beyond thrilled when I told him I’m making it again in the cold, wet, windy and snowy afternoon..

    I wish you would open skinnytaste restaurants.  That would be amazing. 

    Thanks for the recipe!!

  3. looking for a fresh vegetarian
    beet soup recipe and  vegetarian onion soup recipe..  Thank you, Ginnywilliams2000@icloud.com..

  4. So excited to make this! Has anyone tried freezing it? Without croutons of course. Thanks!

  5. For Valentine’s Day I made your French Onion Soup, Baked Salmon Cakes with Zesty Avocado Cilantro Buttermilk Dressing and Berry Salad with Almond-Cranberry Crusted Goat Cheese. They were all huge hits and will be made many many more times. I highly recommend them all!

  6. SO good!  Didn’t have oven safe bowls so just broiled some Italian bread slices with Swiss cheese and soaked in the bowl but honestly it’s so good you don’t even need the cheese

  7. SO good!  Didn’t have onion safe bowls so just broiled some Italian bread slices with Swiss cheese and soaked in the bowl but honestly it’s so good you don’t even need the cheese. 

  8. Has anyone tried to make a vegan version with vegan cheese and veggie broth?

  9. What can I substitute for the wine, brandy and sherry. I don’t want cooking wine. Having such small amounts and we don’t drink buying a bottle wouldn’t be useful. don’t know if small bottles can be purchased (like you could get on a plane_)

  10. What staub mini cocotte’s do you have? Where did you purchase them?

  11. Delicious! My husband’s favorite soup of all times is classic French Onion. This hit on all points. He loved it! 

  12. Are there alternate ingredients I can sub for the cognac and sherry? I’m reluctant to buy whole bottles for just an ounce. Could I just use extra wine? THAT I have! 🙂

  13. Can’t wait to make! Do you have a recipe for beef broth? Thanks!

  14. II am assuming you are writing that 1 1/2 C  Broth are for each bowl, not the total amount for each bowl.