Bone Marrow French Onion Soup

Name: Bone Marrow French Onion Soup
Prep time: 10 min
Cook time: 230 min
Total time: 240 min
Yield: 8
Ingredients: ▢ 4 lbs onions sliced. I used 2 vadallia onions and the rest were bulk yellow onions; ▢ 3 tbsp unsalted butter; ▢ 2 cups water plus extra for deglazing; ▢ 1/2 cup red wine; ▢ 4 cups chicken broth; ▢ 2 cups beef broth; ▢ 1 bay leaf; ▢ 1 tbsp thyme; ▢ 4 beef marrow bones roasted; ▢ 1/4 lb raclette; ▢ 8 slices hearty bread

by Girl Carnivore

8 servings

4 hr

A carnivorous French Onion soup? Hot roasted bone marrow spooned on top of melted cheese, all over a bowl of slow-simmered onions. Yeah, that’s what I’m talking about.

French onion soup is about as classic as you can get in the world of soups. The base idea behind this soup has history all the way back to the Romans. However, it is one that I don’t see a lot of people coming back to often. I started to wonder why, as the idea of simmered onions in a flavorful beef broth sounds pretty comforting to me on chilly days. Perhaps its that people aren’t too fond of ‘onions’ these days. Or that we have more options out there than the early creators did. Either way, onions are often cheap and I wanted to see just how many people I could get raving about this recipe. (Turns out, quite a few).

What Onions Are the Best for French Onion Soup

Before we even get to the recipe, we need to discuss that onions are not all the same. This recipe calls for 4 pounds of onions, and although I had a few pounds of yellow onions on hand, I also threw in 2 Vidalia onions just to sweeten things up.

For the soup though, I wouldn’t use 4 pounds of sweet onions though. You want a good bold but not harsh or bitter flavor. For French Onion Soup that is classic yellow onions. They cook down beautiful and are the perfect base for this.

If you like beef stock style soups by the way, then you might also want to check out this beef and potato soup too…

Caramelize your onions for French Onion soup

Be sure to allow the onions to caramelize. This is part of the flavor building process. Sure, you can rush it and have soup faster, but the flavor from the slowly caramelized onions really is the foundation for this spectacular recipe.

Bone Marrow French Onion Soup

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Recipe details

Yield 8 servings
Time spent: Prep time: 10 Minutes Cook time: 230 Minutes Total time: 4 hr

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Ingredients

▢ 4 lbs onions sliced. I used 2 vadallia onions and the rest were bulk yellow onions
▢ 3 tbsp unsalted butter
▢ 2 cups water plus extra for deglazing
▢ 1/2 cup red wine
▢ 4 cups chicken broth
▢ 2 cups beef broth
▢ 1 bay leaf
▢ 1 tbsp thyme
▢ 4 beef marrow bones roasted
▢ 1/4 lb raclette
▢ 8 slices hearty bread

Instructions

Preheat oven to 400 degrees
Heat a 7 quart or larger dutch oven on low (seriously, you need a pot this big, it makes a ton!) and melt butter.
Remove from heat and stir in onions and 1 tsp salt so that onions are coated.
Transfer Dutch Oven to lower center rack in oven, and cook covered for 1 hour.
Remove from oven and stir, scraping bottom and sides of pot.
Return to oven for 90 minutes with lid slightly ajar. Stir and scrape again half way through. (Onions should be very soft and golden brown.
Remove from oven and transfer to stovetop.
On medium heat, cook onions until they brown and a crust forms on the bottom of the pan (about 30 minutes) stirring frequently and scraping the pan as you go.
Stir in water, ¼ cup at a time scraping free crust, until it evaporates and crust reforms on pan. Repeat 3-4 times until onions are very dark brown.
Stir in wine and cook until evaporated (5-7 minutes)
Stir in chicken and beef broth, water, thyme, bay leaf and ½ tsp salt and bring to a simmer.
Reduce heat to low and simmer 30-40 minutes.
meanwhile, set oven to 425 and roast marrow bones 15 minutes, seasoned with salt and thyme.
while marrow is roasting, toast your slices of bread in the oven for 5-7 minutes
Remove marrow from oven and let cool.
Place 8 oven safe bowls on a baking sheet, fill with soup and top each with a slice of bread and raclette.
Switch oven to broil and with the top of the bowls 6-8" below broiler, broil until cheese is melted (approximately 5 minutes).
Serve with bone marrow on the side. The marrow can be spooned on top of the bread, or mixed into the soup per individual preference (I think it is delicious on top of the bread) follow link for the full marrow recipe.

Comments

Nora Frisch [[make_relative@2023-09-19T19:27:09-04:00, on]]

what can I use in place of red wine ?
Nora

Like Reply
- See 1 previous
- Rhonda Hollis [[make_relative@2023-09-20T09:44:06-04:00, on]]
  
  I've used cranberry juice.
  
  Like
- Stephen Moore [[make_relative@2024-09-19T21:30:31-04:00, on]]
  
  If you are concerned about the alcohol in the wine, it cooks off.
  
  Like

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