Add the spring onion, garlic, gochugaru, sugar, soy sauce, cooking wine, sesame oil and water into a small bowl. Mix well until combined.
2 spring onion / green onion, 2 garlic, 1 tbsp Korean hot pepper flakes / gochugaru, 1 tbsp sugar, 3 tbsp soy sauce, 1 tbsp cooking rice wine / cooking sake, 1 tbsp sesame oil, ⅓ cup water