French Onion Soup – Italian Style

French Onion Soup Italian Style is a great time saver when you’re in the mood for this hearty soup; it’s quick and delicious.

French Onion Soup - Italian Style

I love French Onion Soup and when I have the time and know I’ll have some folks to enjoy it with, I love making this recipe for what I think is just the best I’ve ever had.

But it’s a job and after it’s finished, it then has to meld in the fridge overnight before even considering the whole melting of the cheese under the broiler business. Don’t get me wrong, I love it but I’m lucky if I get it done once a year.

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So I was really intrigued when I saw a post recently for braised onions made in the crockpot from a cookbook I already owned even;  Gifts Cooks Love, from Diane Morgan and Sur la Table.

I thought it would be a great recipe to prepare onions for French Onion Soup. I could see how those onions could be a real boon to a quicker version for soup but would also allow me to make a smaller portion and that was of significant interest to me.

I actually had that entire bag of onions sliced and in my crockpot within minutes! I did add 1/2 cup of white wine and cooked them on low a bit longer as I had added the extra moisture…next time I’ll reduce the wine to half before adding it to the onions, but I loved the resulting flavor.

Not only were they fabulous but I’ve rediscovered my crockpot and have gone a bit crockpot crazy. In additional to the onions, I’ve made a hot and sweet pepper sauce that I served over a pork roast, Cincinnati Chili and Butternut Squash Soup.

My plan was to use half of the braised onions for soup and am so glad that I saw this post for French Onion Soup – Italian Style from my friend Domenica. While I really wanted to try Julia Child’s recipe, I loved the ease of Domenica’s presentation; so this is very much an adapted version of several recipes! Some bread rounds and Parmesan? Perfect. And perfectly easy. Now that is my kind of soup!

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French Onion Soup - Italian Style Served in a Aqua Pottery Bowl with Bread and Parmesan Cheese on Top
French Onion Soup - Italian Style

French Onion Soup – with some Italian Style!

An Italian version of French Onion Soup is easy to make in a slow cooker and so delicious.
5 average from less than 50 votes
Prep Time 15 minutes
Cook Time 8 hours
Total Time 8 hours 15 minutes
Course Soups and Stews
Cuisine Italian
Servings 4 Servings
Calories 708 kcal


For the Braised Onions

  • 10 large Sweet Onions such as Walla Walla, Vidalia or Maui
  • ½ cup butter thinly sliced
  • 2 tablespoons fresh thyme minced

For the Soup

  • 3 cups butter braised onions
  • 2 tablespoons of flour
  • 1 quart beef stock or canned beef broth
  • ¼ cup dry white wine or dry white vermouth
  • Salt and pepper to taste
  • 1 tablespoon cognac
  • 8 slices French mini baguette rub with olive oil and toast in oven til lightly browned; 4-6 minutes
  • 4 tablespoons Parmesan cheese grated


To Prepare the Onions

  • Trim the stem end, cut in half lengthwise through the root and peel each half.
  • Leaving the root end intact, cut each half lengthwise in 1/4-inch-thick slices. Trim to remove the root.
  • Scatter the butter in the bottom of an electric slow cooker; at least 7qt capacity. Add the onions and sprinkle the thyme over the top. Place the lid on the slow cooker, set the cooking mode to high and set a timer for 2 hours.
  • Stir the onion mixture. Set a timer for 6 hours, continuing to cook on high. (I actually made mine overnight so set the temperature to low and the timer to 10 hours).
  • Turn the power off, remove the cover, give the onions a stir and let cool in the ceramic insert for 1 hour.
  • Cool completely, put into storage container and then cover and refrigerate for up to 5 days.

To Prepare the Soup

  • Heat the butter braised onions in a large pot until warmed,add the flour and cook for 2-3 minutes. Add the beef stock or broth and heat, stirring thoroughly til slightly thickened. Add the wine and season to taste.
  • Simmer partially covered for 20-25 minutes.
  • Correct seasoning. Set aside uncovered until ready to serve, then reheat to a simmer.
  • Just before serving, stir in the cognac.
  • Pour into individual bowls, add a couple of the toasted baguette rounds to the top and sprinkle with Parmesan cheese. Serve additional baguette slices on the side.


Butter Braised Onions from Gifts Cooks Love, Diane Morgan and Sur la Table
Soup adapted from Mastering the Art of French Cooking by Julia Child


Nutrition Facts
French Onion Soup – with some Italian Style!
Serving Size
1 Serving
Amount per Serving
% Daily Value*
* Percent Daily Values are based on a 2000 calorie diet.
Keyword dinner, French, italian, lunch, onion soup, vegetables
Tried this recipe?Let us know how it was!

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  1. This is such a great idea! I love caramelized onions but you are right, it is more than a job in a half to make French Onion Soup no matter how wonderful it is every time I eat it. I think I might make up a batch this weekend but I’m wondering if I were to double it if I could freeze a portion or if that would destroy the onions. I’m not much for freezing in preparation but I’d like to start doing with some things.

    1. Cooked onions actually freeze well; much better than raw ones which turn to mush. I’m going to try the same thing but it will take longer to cook down. At one point I let some steam escape from the crockpot to hasten the process which I think is so dependent on size and quantity of onions you put in. Doubling might require all day and all night. Let’s find out!

      Made like this…putting together a bowl of onion soup is pretty easy; especially with the toasted bread and Parmesan.

    1. It’s a new favorite. There is such an ease in both braising the onions in a crockpot beforehand and then just adding toasted baguettes and Parmesan that eliminate a difficult cleanup. Let me know if you try it.

  2. Thank you for the shout-out, my friend. Onion soup is such a good dish this time of year, isn’t it.

    For Brian: I’ve made a vegetarian version of my onion soup using homemade vegetable broth. If you roast the vegetables before making the broth you get a fuller flavor that can stand up to the onions.

  3. This looks delicious (the photo is fabulous) and I love the interwoven approach in using bits in different recipes to arrive here. I think we’ve shed the 1970’s crock pot stigma and are rediscovering the utiliatrian aspects without sacrificing the panache of the end result. I too need to pull it more into central view to consider how to employ it for something so delish as this! Lovely (just like you).

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