Step 1
Mix together soy sauce, gochugaru, sugar, fish sauce, mirin, garlic, and water. Place the silken tofu into a container and top with onion, Korean chives, and chillies.
Step 2
Pour the marinade over the tofu. Cover and refrigerate overnight. You can drizzle with sesame oil, sprinkle with sesame seeds, and serve with warm rice!
Step 3
Note: Store in an airtight container in the refrigerator for up to 3–4 days.