PREPARE THE CHICKEN AND THE VEGETABLES
Slice the chicken breast thinly. Chop the garlic and ginger finely. Chop the onion leeks thinly or cut it into strips.
Slice the white onion and the cabbage. Cut the root end of the bokchoy and wash well to remove the dirt. Julienne-cut the carrot and zucchini.
To do the julienne-cut: slice the vegetable diagonally into long sticks then into strips.

PREPARE THE SEAFOOD
For the crab, remove the cover and the gills then cut the meaty side into two.
For the prawns, remove the head and shellthen de-vein the prawns by making an incision on its back.
For the squid, remove the head including the ink sac and innards. Peel the skin and cut it vertically on one side to make it flat. Then make a criss-cross incisions on the front and back sides.
Wash the seafood under running water.

COOKING INSTRUCTIONS
Under low heat, heat the wok or large skillet and add 4 tablespoons of cooking oil. Add the garlic, ginger, onion leeks and let them infuse their flavors into the oil. Turn up the heat to high. Add the chicken and vegetables (except for the bokchoy) then stir fry until the chicken turns white.

Add the gochugaru and stir fry for a minute. Add 2 tablespoons of soy sauce around the wok or skillet (not directly to the vegetables) and 2 teaspoons of oyster sauce. Continue to stir fry for 30 seconds. Pour 6 cups of water and 1/4 cup of cooking wine. Bring to boil and boil for 5 minutes.

While the soup base is boiling, cook the somen noodles according to package instructions. Somen noodles are thin and will take just a few minutes to cook when placed in boiling water. Boil the noodles, drain, and rinse under cold water. You may also soak it in ice water to stop cooking and then drain later before adding to the jjampong soup.

Add the crab into the soup and boil for 5-10 minutes depending on how big the crab is. When the crab is already cooked, add the squid, prawns, bokchoy, and sesame oil. You can adjust the seasoning if needed, according to your preference. Continue boiling until the squid and shrimp is cooked completely (about 5-8 minutes).

PLATING
Add the noodles neatly into the center of the bowl. Pour the soup and arrange the seafood around the noodles. Top with chili and onion leeks. Serve hot.