Soak the dried pollack in water and tear it into bite-sized pieces.
Slice the onion and green onion.
Heat oil in a pan and stir-fry the dried pollack.
Add gochujang, soy sauce, sugar, and minced garlic, and stir-fry together.
Add the sliced onion and green onion and continue stir-frying.
Pour in water and simmer over medium heat.
When the sauce thickens, finish with sesame oil and sesame seeds.