Exercise:
1) Prepare all the ingredients.
2) Pour a proper amount of water into the pot, boil over medium heat and pour sago.
3) Keep stirring with a spoon during the period.
4) Turn off the fire when there is only a little white core left in the middle after cooking for 20 minutes, and cover the pot and stew for 5 minutes.
5) When the sago is cooked, dig out the mango with a ball digger, and reserve the leftover mango.
6) Pour chopped mango and pure milk into a mixing cup.
7) Mix in mango milk juice, skim off the floating foam and set aside.
8) Pour the cooked sago repeatedly with cold boiled water to remove mucus.
9) Put the sago into a container, pour in the stirred mango milk juice, and add mango balls for decoration.