Season the beef short ribs generously with salt and pepper on all sides.
In a large skillet, heat olive oil over medium-high heat. Sear the short ribs for about 3-4 minutes on each side until they are browned. Remove them and place them in the slow cooker.
In the same skillet, add sliced onions, carrots, and minced garlic. Sauté for about 5 minutes until the vegetables are slightly softened.
In a measuring cup, whisk together balsamic vinegar, beef broth, brown sugar, Dijon mustard, dried thyme, and dried rosemary. Pour this mixture over the short ribs in the slow cooker.
Add the sautéed onion and carrot mixture on top of the short ribs in the slow cooker.
Cover and set the slow cooker on low for 8 hours or on high for 4 hours, until the meat is tender and falls off the bone.
Once cooked, remove the short ribs and vegetables from the slow cooker and spoon some sauce over the top. Shred the meat if desired.
Sprinkle freshly chopped parsley on top for a pop of color and flavor.
Notes
Serve with mashed potatoes or crusty bread to soak up the sauce.
Keyword balsamic, beef, comfort food, short ribs, slow cooker