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French Onion Short Rib Soup with Cheesy Gruyère Toast

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French Onion Short Rib Soup with Cheesy Gruyère Toast is a luxurious twist on the classic, blending caramelized onions, fall-apart tender short ribs, and rich broth into a deeply comforting soup. Topped with broiled Gruyère toast, it’s the ultimate cozy, slow-cooked meal.

Ingredients

  • 23 lbs bone-in short ribs
  • 2 tbsp olive oil
  • 4 large yellow onions, thinly sliced
  • 3 cloves garlic, minced
  • 2 bay leaves
  • 45 sprigs fresh thyme
  • 1 cup dry red wine
  • 6 cups low-sodium beef broth
  • 1 tbsp Worcestershire sauce (optional)
  • 1 tbsp balsamic vinegar (for finishing)
  • Salt and black pepper, to taste
  • 1 baguette or crusty French bread, sliced
  • 1½ cups Gruyère cheese, grated
  • Butter, for spreading (optional)

Instructions

  1. Season short ribs with salt and pepper. In a large pot or Dutch oven, heat olive oil over medium-high heat and sear ribs until browned on all sides. Remove and set aside.
  2. In the same pot, add a bit more oil and cook onions over medium-low heat, stirring often, until deeply caramelized — about 35–40 minutes.
  3. Add garlic and cook for 1 minute. Deglaze the pot with red wine, scraping up any browned bits.
  4. Return short ribs to the pot. Add beef broth, bay leaves, thyme, and Worcestershire sauce. Bring to a simmer, cover, and cook on low for 2.5 to 3 hours, until ribs are tender.
  5. Remove short ribs, discard bones and fat, shred meat, and return to the pot. Stir in balsamic vinegar and adjust seasoning to taste.
  6. Preheat broiler. Toast bread slices until lightly crisp. Top with Gruyère cheese and broil for 1–2 minutes until melted and bubbly.
  7. Serve soup hot with Gruyère toast on top or on the side for dipping.

Notes

 

  • Use boneless short ribs or beef chuck as a budget-friendly option.
  • Substitute half of the beef broth with chicken stock for a lighter version.
  • Swiss or provolone can replace Gruyère if needed.
  • Toast bread and store separately if making ahead.

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