1. Mix oyster with cornstarch. Boil water then turn to low heat, put in oyster and blanch oyster for 30 seconds.
2. Beat the egg. Wipe dry tofu and cut in chunks. Put salt on tofu. Mix tofu and oyster with egg separately. Put tempura mix with tofu and oyster.
3. Deep fry oyster and tofu until turn golden. Turn to high heat to boil the oil. Deep fry oyster and tofu in high heat for 10 seconds. Put on pepper salt.