Rinse the rice and cook according to packet instructions.
Press the tofu between a thick layer of paper towels to remove excess liquid. Cut the tofu into small cubes.
Heat a film of sesame oil in a frying pan or wok and add the pork, garlic and ginger. Toss, cooking over a medium-high heat until the pork is well coloured.
Add the tofu and cook for a few minutes more.
Stir in the oyster sauce, chilli bean sauce and stock.
Add the cornflour paste to the pan and cook until the sauce boils and thickens.
Serve with rice and sprinkle with spring onion.
Tip: Serve with greens of choice alongside. You can also include eggplant with the pork in the Ma Po.