Boil the somyeon noodles and rinse them in cold water.
Make the sauce with soy sauce, sugar, sesame oil, and minced garlic.
Thinly slice cucumber, avocado, carrot, and onion.
Dice the salmon.
Put the noodles in a bowl and mix with the sauce.
Top with vegetables, salmon, and seaweed flakes.
Finish by sprinkling sesame seeds and extra sesame oil.