Baby's added-free yogurt

Overview

How to cook Baby's added-free yogurt at home

First of all, prepare a yogurt machine. Generally, it does not need to be too expensive. It is of good quality and only costs a few tens of yuan.
bottles of 250 ml pure milk, 1 pack of Bifidobacterium
Pour a bottle of milk into the vessel, add the whole pack of Bifidobacterium and stir evenly. Note that the inside and outside of the vessel and your hands must be dry, and there must be no water on it.
After stirring evenly, pour in the other two bottles of yogurt, stir briefly, stir well and cover
Add 0.5cm of tap water to the bottom of the shell
Put the container into the shell, cover it and energize it
Generally, I leave the power on for 10 hours for the best effect. Successful yogurt is completely solid and thick.