Soak the seaweed / Blanch the cauliflower
Sauté the seaweed in sesame oil
Simmer soy sauce and tuna extract to the side, then combine
Add cauliflower blanching water
When it boils, add drained tuna
Boil a bit longer
Drizzle perilla oil and sprinkle sesame seeds (and, optionally, perilla seed powder)