Steps
1. In a bowl, gently mash the silken tofu until smooth.
2. Beat the egg in a separate bowl and combine with the mashed tofu.
3. Add dashi stock, soy sauce, chopped green onion, and a pinch of salt to the mixture.
4. Heat sesame oil in a non-stick pan over medium-low heat.
5. Pour the mixture into the pan and cook gently, stirring occasionally, until the edges start to set.
6. Carefully fold the omelette in half and cook for another 1-2 minutes until fully set but still soft.
7. Slide onto a plate and serve warm.