How to make laozao soup

Ingredients: 200g mashed potatoes, 2 eggs and 900g water.

Accessories: appropriate amount of sugar and starch.

Steps:

1, wash the egg skin and prepare water starch and fermented grains.

2. Add 900g water to the boiling pot and turn on the fire.

3. Add the fermented grains after the water is boiled.

4. After boiling again, turn down the fire, open a small mouth at the top of the egg, and then throw the egg into the pot.

5. Scoop out the floating foam with a spoon, and then add the right amount of sugar.

6. Stir a few more times. After all the sugar is melted evenly, turn on the fire, add water and starch while stirring, and turn off the fire after starch gelatinization is completed.

7. Put it in a bowl.