Serves a Crowd

French Onion Soup with Homemade Fullblood Wagyu Beef Stock

August 18, 2020
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  • Prep time 1 hour
  • Cook time 13 hours
  • Serves 8
Author Notes

Enjoy this delicious French onion soup, made with Fullblood Wagyu beef stock. Follow us on Facebook and Instagram for more recipes featuring palate-pleasing Fullblood Wagyu beef! —Double8Cattle

What You'll Need
  • 1 PACKAGE Double 8 Cattle Company Fullblood Wagyu Soup Bones (thawed)
  • 3 Large Carrots (large diced)
  • 3 STALK Celery (large diced)
  • 1 Yellow Onion (large diced)
  • 1 Red Onion (keep skin on, large diced)
  • 2 Leeks (large diced)
  • 5 SPRIG Thyme (fresh
  • 3 quarts Cold Water
  • 1 ounce Unsalted Butter
  • 1 ounce Grapeseed Oil
  • 4 Sweet Onions (julienned)
  • 3 Garlic Cloves (chopped)
  • 2 SPRIG Thyme (fresh)
  • 2 Bay Leaves
  • 1 teaspoon Kosher Salt
  • 1/2 teaspoon Freshly Ground Black Pepper
  • 8 ounces Red Wine (chef recommends Pinot Noir)
  • 2 quarts Fullblood Wagyu Beef Stock
  • 1 teaspoon Worcestershire Sauce
  • 1 teaspoon Red Wine Vinegar
  • 1 Baguette (1/4-inch-thick slices on a biased cut)
  • 6 ounces Gruyere (grated)
  • Kosher Salt (to season)
  • Freshly Ground Black Pepper (to season)
  1. Tools - Crock Pot (6-8 QT Capacity), Fine Mesh Sieve, Large Stainless Steel Pot, Baking Sheet, Parchment Paper, 8 Ramekins or Soup Bowls
  2. FIRST STEP Take the Fullblood Wagyu soup bones out of the freezer, and place them in the refrigerator 24 hours before starting this recipe.
  3. PREPARING THE FULLBLOOD WAGYU BEEF STOCK Preheat your oven to 400°F. On a baking sheet with a rim, place all of the diced carrots, celery, onions, and leeks. Place the thyme on the baking sheet as well. Place the Fullblood Wagyu soup bone on top. Roast in the oven at 400°F for 45 minutes or until the vegetables are roasted and the beef bone has nice caramelization. Remove from the oven, and transfer everything to a crock pot. Cover the roasted vegetables and Fullblood Wagyu soup bone with cold water, and put the crock pot lid on. Set the crock pot on low, and let it simmer for 12 hours. NOTE: Some crock pots only have an 8 hour low setting, so be sure to restart it for another 4 hours, so you have a total of 12 hours in the crock pot. After 12 hours, use a fine mesh sieve to strain off the Fullblood Wagyu beef stock, and reserve. Discard t
  4. PREPARING THE SOUP Melt the unsalted butter and grapeseed oil in a large stainless steel pot over medium heat. Add the julienned sweet onions, kosher salt, and freshly ground black pepper. Cook, while stirring occasionally and scraping the bottom on the pan to pull up all the caramelization, until the onions are very soft and caramelized. This usually takes about 25 minutes. Add the wine, chopped garlic, sprigs of thyme, and bay leaves. Bring to a boil, and then reduce the heat. Simmer for about 5 minutes or until the wine has almost evaporated. Discard the thyme sprigs. Dust the onions with the all-purpose flour, and give them a stir. Turn the heat down to medium-low so the flour doesn’t burn. Cook for 5 minutes. Now add the previously prepared Fullblood Wagyu beef stock. Add the red wine vinegar and Worcestershire sauce as well, and bring the soup back to a simmer. Cook for 10 minutes. Season to taste with kosher salt and freshly ground black pepper.
  5. FINAL STEPS When you’re ready to finish the soup, preheat the broiler. Arrange the baguette slices in a single layer on a baking sheet (lined with parchment paper). Sprinkle the slices with the Gruyere cheese, and broil for 3 to 5 minutes until bubbly and golden brown. Ladle the soup in bowls, and float the Gruyere croutons on top. Serve, and enjoy!

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