Hardened taro balls will become soft only when steamed in an electric rice cooker. Taro balls will not harden if they are also frozen. It is recommended to freeze it after receiving it. The freezers used in general stores can be kept for about 2 weeks at -5 degrees, and those used in household refrigerators can be kept for more than 2 months below-18 degrees.

The preparation method of taro is as follows:

Preparation materials: sweet potato, purple potato, sugar, cassava starch, milk.

1. Dice sweet potato and purple potato and steam for 15 minutes.

2. Press the steamed purple sweet potato and sweet potato into mud, add appropriate amount of sugar and cassava starch, mix well, knead into strips and cut into small pieces.

Third, after the water is boiled, add taro and cook for 5 minutes. Put it in ice water immediately after picking it up.

Fourth, after passing through the ice water, pick it up for use.

5. Add milk, sago, etc. According to your own preferences.