- Preheat oven to 300˚F (150˚C). Heat oil in ovenproof Dutch oven or large saucepan over medium heat. Cook rib pieces in batches, 6 to 8 min. per batch, until browned on all sides. Transfer to plate.
- Add onions, garlic and ginger to Dutch oven and cook 2 min. until softened. Stir in potatoes, carrots, brown sugar and chili paste; mix to coat. Stir in rice vinegar and soy sauce; bring to a boil. Pour in beef broth and sesame oil; bring to a simmer. Return ribs to Dutch oven.
- Cover and transfer to oven. Cook, stirring occasionally, 2 to 2½ hr. until meat is very tender. Skim fat from sauce. Sprinkle with green onion and sesame seeds to serve.
Korean-style beef ribs are cut across the bones into long, thin strips.