Preheat your oven to 325°F (165°C).
Season the short ribs with salt and pepper.
Heat olive oil in a large oven-safe pot over medium-high heat. Brown the ribs on all sides, then remove and set aside.
In the same pot, add the onion, carrots, and celery. Cook until softened.
Add the garlic and cook for another minute.
Stir in the tomato paste, then add the beef broth and red wine. Bring to a simmer.
Return the short ribs to the pot. Add the thyme, rosemary, and bay leaves.
Cover the pot and transfer to the oven. Cook for 3 hours, or until the meat is tender.
Remove the herbs and serve the short ribs with the sauce.