2 tspcornflour mixed into a paste with 1 tbspwater
In a wok, dry fry peppercorns until aromatic. Cool and crush. Cut tofu into 2cm cubes, cover with boiling water and add the salt, and steep for 2 minutes. Drain well.
Heat the wok, add the oil then stirfry the garlic, chilli and ginger for 1 minute. Add the pork and stirfry for 2 minutes or until browned.
Add the chilli bean sauce, sugar, Sao Xing, soy sauce, chicken stock and most of the green onions and simmer for 2 minutes.
Add the drained beancurd and lower the hear to simmer for 3 minutes.
Stir in cornflour mixture until sauce thickens.
Scatter with pepper and remaining green onions and serve with steamed rice.