Boil the soybeans and set aside.
Finely chop vegetables such as onion, carrot, and zucchini.
Heat olive oil in a pan and sauté the chopped vegetables and soybeans.
Make the jajang (black bean) sauce with doubanjiang, soy sauce, oyster sauce, etc.
Place the cooked capellini noodles on a plate.
Pour the jajang sauce over the noodles.
Finish with sliced green onions and whole sesame seeds.