Remove excess moisture from the tofu using a kitchen towel.
Wash the mugwort thoroughly and drain off the water.
Preheat the oven to 180°C (356°F).
Add tofu, mugwort, eggs, protein powder, oligosaccharide syrup, oil, and baking powder to a blender and blend until smooth.
Pour the batter into a pound cake mold.
Bake in the oven at 180°C (356°F) for 35 to 40 minutes.
Let it cool before removing from the mold to finish.