Soak the pork ribs in cold water for about 1 hour to remove the blood.
Cut the potatoes, carrots, and onions into bite-sized pieces.
Place the pork ribs and water in a pot and bring to a boil to remove impurities.
Strain the boiled pork ribs in a sieve to drain the water.
Mix soy sauce, sugar, minced garlic, pepper, and water to make the sauce.
Put the pork ribs, vegetables, sauce, and water into a pot and bring to a boil.
When the broth has reduced, add green onions, sesame oil, and ground sesame seeds to finish.