Raise the salted seaweed well in couple of times to remove the salt from the seaweed. Let the seaweed soak in water for 30 minutes or even longer and drain it well.
Heat up a pan to over medium high heat. Add some vegetable oil or olive oil. Add minced garlic and sliced half of an onion. Stir them until it fragrant.Add the seaweed stem and stir it for 5 minutes