Ingredients
- 2 thermos, ½l capacity each
 - thermometer
 - 1 cheesecloth
 - 1l milk
 - 100ml yogurt
 
Directions
- bring the milk to 45°C (113°F)
 - pour the yogurt into the milk
 - wisk well
 - bring the milk to 45°C (113°F) again (don’t go higher than that, please)
 - boil some water (about 100ml) and use it to wash the thermos from inside
 - let the water out and pour the milk into the thermos
 - leave the thermos in the oven(or in any other place whithout air flow) for 12h
 - pour the newly obtained yogurt into the cheesecloth.
 - hang the cheesecloth for 30 minutes to 4 hours, depending on the desired density (the longer the denser)
 - store in the fridge