Season all sides of the ribs with salt and pepper
In your Dutch oven, heat 1T oil and then sear each side for a few minutes until a nice crust is formed. You may need to do the meat in 2 batches
Add 1T oil and the onion, cooking for 5 minutes
Next add the garlic and wine, deglazing the pan and bringing to a simmer
Add the salt, pepper, and rosemary. Cook for 3 minutes and then add the beef broth
Add the short ribs and bring the meat to a simmer. Then cover and reduce the heat for 3-4 hours until they are pull apart tender