Soy yogurt without yogurt maker

Prepare all the ingredients and instruments. Milk, yogurt, spoon, hot cereal bag, glass jars with their lids and their respective neoprene or wool covers, plus a blanket.

Heat the cereal bag and meanwhile place the glass jars in neoprene or protective covers so that they do not lose heat.

Heat the soy milk to about 38° (lukewarm, so that it does not burn when tasted.

Divide a single soy yogurt into 2 glass jars of approximately 500ml each.

Pour in the milk and mix with the yogurt from the jars.

Close and place on the warm bag and cover with the blanket.

Let stand for 10 to 12 hours in a temperate place without movement: pantry, cupboard next to a source of gentle heat...

After resting for 10 to 12 hours, check that it has set properly, allow to cool slightly at room temperature and store in the refrigerator for several days.

This yogurt serves as a base for future yogurts.