Clean the scallops thoroughly.
Mince the garlic and green onion.
Heat cooking oil in a pan and sauté the garlic and green onion.
Add the scallops to the pan and stir-fry.
Add soy sauce, gochujang (red chili paste), sugar, and water, then bring to a boil.
Simmer over medium heat until the sauce reduces.
Finish by drizzling sesame oil and sprinkling sesame seeds.