1. milk.
2. Strains.
3. Put the strains in a basin without oil and water.
4. First add a small amount of milk to melt the bacteria.
5. Add the remaining milk.
6. Cover the lid and put it in the yogurt machine to ferment for 9-12 hours.
7. Finished product.
8. Finished product.
Tips:If you like the sour taste, the fermentation time will be longer. If you like the sweet one, you can add about 30 grams of sugar during fermentation, or add honey and fruit juice to drink after fermentation.
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