Probably the best-known Sichuan export, this dish is truly entrenched in Chinese restaurants worldwide. It is quite spicy so use less chilli bean paste if you prefer a milder taste.
Cut the tofu into 2cm/¾in cubes. Spread out the cubes on a double layer of kitchen paper to drain for 10 minutes – this makes them less prone to crumbling later.
Heat the oil in a wok over a medium-high heat. Add the garlic and chilli, and fry for 40 seconds. Add the black bean sauce, sesame oil and chilli bean paste. Stir for 1 minute, then add the vegetable stoc