Wash the black beans for 4 hours, pour the water of the beans and put them in the casserole.
Wash the red dates, pinch them by hand and put them in the pot.
Put enough water in the pot and boil over low heat for one hour. Put brown sugar in the pan before cooking and serve again.
[tips] 1. Although the water of the black bean is more nutritious, because the black bean itself is very bitter, it is recommended to dump the water of the bean. 2, the red dates are pinched by hand, so that the red skin of the jujube is broken and it is easier to release nutrients. 3, brown sugar to be finally put, must be boiled.