1L skim milk, proper amount of sugar substitute, and proper amount of sour milk powder.

The practice of skim yogurt:

1 First prepare skim milk and 1 coating powder.

2. Carefully clean the yogurt liner and liner cover with boiled water prepared in advance to avoid material pollution of yogurt during fermentation.

3. Pour the bacteria powder into a small bowl, add a small amount of skim milk and stir well, then pour it into the inner container, and then pour the rest of the milk.

4. Put the yogurt container into a yogurt machine and ferment for 8- 12 hours to form tofu. Note that the longer the fermentation time, the thicker and more sour the yogurt will be.