Tools:

1. Stove: used to cook green bean soup and heat the ingredients.

2. pot: you can choose aluminum or stainless steel pot, the size is suitable for batch making green bean soup.

3. Blender: you can choose hand blender or electric blender for blending the green bean soup to make it more uniform.

4. Strainer: used to filter the bean puree in green bean soup to make it more delicate.

5. storage container: you can choose a plastic bucket or stainless steel bucket for storing green bean soup.

Ingredients:

1. green beans: choose fresh green beans, wash and soak for a period of time to facilitate cooking.

2. Water: choose pure water and add it to the green bean soup according to a certain proportion, you can adjust the amount of water according to taste.

3. Sugar: you can choose white granulated sugar or rock sugar, add the right amount of sugar according to taste, you can increase the sweetness of green bean soup.

4. starch: choose a good quality starch, add a small amount to the green bean soup, you can increase the consistency of green bean soup.

5. lemon: you can choose fresh lemon or lemon juice, add a small amount to the green bean soup, can increase the green bean soup flavor.

Steps:

1. Wash and soak the green beans in a pot, add the right amount of water, boil over high heat and then reduce the heat to low and cook until the green beans blossom and the skin floats up.

2. Pour the cooked green bean soup into a strainer and filter the bean puree.

3. Pour the filtered green bean soup into the pot, add the appropriate amount of sugar and cornstarch, boil over high heat and then change to low heat to cook until the soup is thick.

4. Pour the previously fished out green bean puree into the green bean soup again and stir well.

5. Finally, add lemon juice or lemon zest to add a refreshing flavor.

6. Pour the finished green bean soup into a storage container and you are ready to go.

It is important to note that the process should be kept hygienic and clean, while the ratio of ingredients and flavors can be adjusted according to the taste needs of the guests.