-
Wash and soak mung beans for 1 hour.
-
Drain, steam for 20 minutes over high
heat
-
Skin, wash and dice Chinese water
chestnuts.
-
Work 1/2 cup of water into Chinese
water chestnut powder. Set aside
-
Bring the remaining water together
with crushed rock sugar to the boil.
-
Parboil until sugar has dissolved.
-
Add mung bean puree and Chinese water
chestnut dices.
-
Bring to the boil.
-
Stir in Chinese water chestnut powder
-
Beat egg, gradually add in the soup
-
Serve.