1. Preheat your oven to 325°F (160°C). Pat the beef short ribs dry with paper towels and season generously with salt and pepper.
2. In a large Dutch oven or heavy-bottomed pot, heat the olive oil over medium-high heat. Brown the short ribs on all sides until they develop a deep, golden crust—about 3-4 minutes per side. Remove and set aside.
3. Reduce heat to medium and add the butter to the pot. Once melted, add the sliced onions and a pinch of salt. Stir occasionally and cook slowly for about 45 minutes, allowing the onions to caramelize and turn a beautiful golden brown. Add the teaspoon of sugar halfway through if you want to encourage browning.
4. Add the minced garlic and cook for another 2 minutes until fragrant.
5. Pour in the white wine to deglaze the pot, scraping up all those delicious browned bits from the bottom. Let the wine reduce by half, about 3-4 minutes.
6. Return the short ribs to the pot and pour in the beef broth. Add the thyme sprigs and bay leaf. Bring the mixture to a simmer.
7. Cover the pot and transfer it to the oven. Let it braise for 2 1/2 to 3 hours, or until the meat is fork-tender and falling off the bone.
8. Carefully remove the ribs from the soup and set aside to cool slightly. Skim any excess fat from the surface of the broth.
9. Once cool enough to handle, shred the meat off the bones, discarding bones and any tough bits. Return the shredded meat to the soup and stir well.
10. Season the soup with additional salt and pepper to taste. Keep warm while preparing the bread and cheese.
11. To serve, ladle the soup into oven-safe bowls. Top each with a toasted baguette slice and a generous amount of grated Gruyère cheese.
12. Place the bowls under a broiler for 2-3 minutes until the cheese melts and bubbles, forming a golden crust.

When I made this with Ouma, we laughed about how Mama Lou always said patience was the secret ingredient in her kitchen. Taking the time to caramelize onions properly and letting the ribs braise slowly truly makes all the difference. Don’t rush the process—good things come to those who wait!