Blanch spinach in boiling water , it should wilt a bit .drain the spinach with cold water and wipe out excess water ,either in a colander or patting dry with paper towels .
now thinly chop spinach leaves and sautee in some sesame oil and sesame seeds.add salt and some pepper. , keep aside .
Meanwhile cook the noodles in a pot of boiling water as per packet instructions
Within 6-7 minutes the noodles will cook , immediately add cold water to prevent sogginess.and drain . Chop the noodles into 6 inch long pieces with a knife .
In a pan add some sesame oil ,,stir fry the drained cooled noodles on a high flame , till it looks transparent . keep tossing the skillet to prevent noodles from sticking to bottom .. remove and keep aside .
Now toss the onion slices, scallions and other vegetables lightly in oil , add some pepper, salt , sesame seeds . add garlic, stir all vegetables till they are crisply cooked . keep aside .
Add spinach and any sauce left over in a bowl , add all vegetables, noodles and mix gently .
Adjust the seasonings and salt . Delicious Japchae is ready .