Cooking Steps

1. 

   Step1:[except for astringency] 1. Wash the mung bean (no need to soak) 2. Take the water out of the formula (other than 3000ml water) and boil it in the pot 3. Pour in the cleaned mung bean and bring it out after boiling again 4. Pour out the hot mung bean wate

2. 

   Step2:[saute and boil] 1. Take the green beans which are not astringent in the front and put them into the pot 2. Take part of 3000ml water and add it into the pot until it is 3cm (one and a half knuckles) less than the green beans 3. Then boil them in high heat. Cook them in medium heat until the green beans are sauteed. Quickly dry the water (this step is the key to sand production

3. 

   Step3:[mung bean soup] 1. Add the remaining water in 3000ml. Boil. 2. Remove the mung bean skin on the surface (if you like) 3. Continue to boil for 15min 4. Add white sugar (it's better to taste the sweetness as you like). Continue to boil for 15min (time to the appropriate extent

4. 

   Step4:Refrigerate after coolin