Chinese fermented black beans (known in Cantonese as dou si) are powerful little umami bombs - they add an intense, rich savouriness to whatever they're cooked with. They are made from soy beans ...

Black bean sauce comes in jars, cans and vacuum packs and is sometimes flavoured with garlic, ginger, chillies or spices. Do not use black bean sauce interchangeably with yellow bean sauce ...

An authentic version of the classic beef in black bean sauce from Jeremy Pang. This recipe uses feremented black soy beans, which you can find in Asian supermarkets, online and in large supermarkets.