1.Soak the dried seaweed in cold water for 5 to 10 minutes while allowing it to expand. Drain the water away and rinse the seaweed a couple of times in running water. Drain/squeeze the water out. Set it aside.
2.Combine the sliced beef with the salt and black pepper in a small bowl. Mix them well and set aside until needed.
3.Preheat a medium pot over medium heat (about 20 seconds). Add the sesame oil, seaweed and beef. Stir them well until the beef is partly cooked (about 2 minutes).
4.Add the soy sauce, garlic and water. Cover the pot and boil over medium – medium high heat until the meat is fully cooked (10 to 15 minutes). Adjust the taste with more salt if needed.
5.Serve warm with a bowl of steamed rice and other Korean side dishes.