1. Soak tofu in water with some salt for 15 minutes; Remove; Blanch in boiling water for 10 seconds; Remove; Soak in iced water for 5 minutes; Remove; Cut into 12 rectangles; Make a hole in the centre of each with a spoon; Sprinkle the hole with some potato starch.
2. Rinse ground pork; Add seasoning (1); Mix well by stirring clockwise; Divide the mixture into 12 equal portions; Stuff each piece tofu; Smoothen the surface.
3. Rinse and mince spring onion; Peel, rinse and mince garlic.