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 ...

Marinate 5 cups of pounded millet with ¼ cup of sugar. Cook marinated millet in a pot with 4 cups of water over medium-high heat for 5 to 10 minutes until completely cooked and slightly toasted.