Soupe à l’oignon Gratinée: French Onion Soup

Soupe à l’oignon Gratinée: French Onion Soup is a very economical and delicious tradition for any time of year!
Soupe à l'oignon Gratinée : French Onion Soup

Soupe à l’oignon Gratinée : French Onion Soup

by Sue Lau | Palatable Pastime


I was looking for something economical to balance out the price of other things in the meal when I thought of making French onion soup. I always have onions on hand, and the other items don’t amount to much, cave-aged cheeses cost more, but not very much is used there, and if you like, you could substitute with something like Parmesan, Asiago, or mundane Swiss cheeses. It does take a bit of monitoring and standing over to achive the best results, so this is not a recipe for when you are short on time.  Don’t be fooled by recipes which skip the browning step for the onions- the caramelization of the sugars in them makes this soup or breaks it. And the amount of onions you start with may “seem” like a ton, but they will practically disappear. This recipe gives nods to Julia Child, since it is based heavily on her recipe, which is also excellent. You can’t go wrong with either recipe. It is a stunning soup chock full with depth of flavor and I do hope you enjoy.


Soupe à l'oignon Gratinée : French Onion Soup

  • Servings: 4-6
  • Difficulty: easy
  • Print

Soupe à l'oignon Gratinée : French Onion Soup

  • 3 large Vidalia or other sweet onions, thinly sliced
  • 2 tablespoons unsalted butter
  • 2  tablespoons olive oil
  • salt and black pepper
  • 2 tablespoons water
  • pinch sugar
  • 3 tablespoons all-purpose flour
  • 1 cup Marsala wine
  • 2 quarts beef stock
  • 1 fresh French batard or baguette bread loaf
  • 4 ounces cave-aged Gruyere cheese


  1. Place onions, butter, olive oil, salt, pepper and water in a large heavy-bottomed saucepan.
  2. Cover pan and cook on low for 15 minutes, stirring occasionally.
  3. Uncover, add a pinch of sugar and cook on low for about thirty minutes, stirring frequently, and lowering heat if onions start to stick.
  4. Sprinkle flour into onions as you would a roux, and cook for several minutes over low heat to remove the raw flavor from the flour; do not burn the roux.
  5. Remove pan from heat and stir in the wine and beef stock; place over medium heat and simmer, partially covered, for about another 45 minutes until golden colored; re-season with salt and pepper if needed.
  6. Toast 1/2 inch slices of French bread covered with grated gruyere cheese in an oven or toaster oven until cheese melts and is lightly browned.
  7. Serve cheese toasts with soup in bowls.

Soupe à l'oignon Gratinée : French Onion Soup

You might also like:

Caramelized Balsamic Onion Jam

French Tomato Lentil Soup

Boeuf Bourguignon

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6 responses

  1. I love French Onion soup and have tried many variations. I don’t believe that I’ve ever made one with Marsala before although I’ve used many types of wine previously. This was totally delicious. I really like the little bit of sweet that the Marsala imparts. I will definitely make this one again. Thanks Sue for such a nice keeper. Made for For Your Consideration Tag.

  2. Made this delicious French Onion Soup for Culinary Quest 2015. The steps are easy to follow and the results are a perfectly cooked soup. This recipe makes a good amount so we have been able to enjoy it over several days. I will definitely make this my go-to recipe as my hubby absolutely loved it too. Nancy : )

  3. Easy and lightly sweet, this Onion soup is a classic thread that merits to tried out!

    You will not need lot of time assembling the soup, but during the long cooking time you will have enough time to prepare other dishes or simply to take time for yourself!

    Enjoy with additional French bread!

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