1. Boiling pearls is hard because the fire is not strong enough when cooking.

2. put 175ml of water into the pot, bring to a boil, and put 25g of powder round into the pot, and keep stirring to avoid the powder round sticking.

3. Cook the vermicelli on medium fire for 25 minutes, and stir it every few minutes, because the ingredients of vermicelli are mainly starch, which is easy to stick to the pot.

4. Cook for 25 minutes on medium heat, then turn off the heat, cover and soak for 2 minutes.

5. Take out the rice balls and quickly put them into the prepared ice water. The cooler the water temperature, the more chewy the rice noodles are.