Main ingredients: milk, 500g, plain yogurt, 50g, tools: sealed fresh-keeping box 1 piece, spoon 1 piece, rice cooker 1 piece, auxiliary materials: boiled water and clear water.

method of work

1. Fresh-keeping box+lid and spoon washed and scalded with boiling water.

2. Add clean water to the rice cooker and heat it until the wall of the cooker is slightly hot. Pour 500g of milk into the fresh-keeping box, sit in the hot water of the rice cooker, cover the lid and heat the milk to warm.

3. Take the fresh-keeping box containing milk out of the rice cooker, cover the lid again, and add 50g yogurt to the milk.

4. Stir the milk and yogurt evenly with a spoon.

5. Cover the lid of the crisper.

6. Put the fresh-keeping box into the rice cooker, cover it, cut off the power, and ferment for 12 hours.

(This is plain yogurt without sugar and other additives! If you like sweetness, then add a proper amount of honey and mix well, and it's ok)