Put the soft tofu in a bowl and mash it gently until smooth.
Beat the eggs and mix well with the soft tofu.
Add salt, chopped green onion, and sesame oil, then stir to combine.
Pour the mixture into a heatproof container.
Place the container in a pot filled with boiling water.
Cover with a lid and steam on medium-low heat for 10 minutes.
Drizzle sesame oil and sprinkle sesame seeds over the finished steamed egg.