01 - Season beef short ribs with salt and black pepper. In a large Dutch oven or heavy-bottomed pot over medium-high heat, sear the short ribs on all sides until deeply browned. Transfer to a plate and set aside.
02 - In the same pot, reduce heat to medium and add chopped onion. Cook until softened, then stir in minced garlic and cook for 1 minute until fragrant.
03 - Pour in red wine to deglaze the pot, scraping up any browned bits from the bottom. Stir in beef broth, tomato paste, and dried thyme. Bring to a gentle simmer.
04 - Return the browned short ribs to the pot, ensuring they are submerged in the liquid. Cover and cook on low heat for 3 to 4 hours, or until the meat is tender and pulls easily from the bone.
05 - For a caramelized crust, transfer the cooked ribs to a baking sheet and broil on high for 2 to 3 minutes until edges are crisp.