To cut easily the meat put on half an hour in the freezer. Algae are soaked in water for at least 1/2 hour. Drained of water and cut into strips, meat - too. In a saucepan pour the broth, add chopped onion and bring to the boil. Separately, heat the oil, add the garlic and beef and fry, stirring them about 2 minutes. Add to the broth along with algae. Finally add the soy sauce. Serve sprinkled with sesame seeds.