Drain the tofu and blend tofu, soy milk, oligosaccharide, oil, and oats together in a blender.
Mix the blended ingredients, add the powders (almond, tapioca, baking powder, salt, black sesame), and blend briefly.
Preheat to 170°C, then bake at 160°C for about 45 minutes.
Refrigerate and cut into pieces.