Thermos Yoghurt

Directions

1. 1
   Preheat a heatproof dish and a well fitting lid, or thermos flask with boiling water.
2. 2
   Heat milk to blood heat 37C/ 98F.
3. 3
   Put yoghurt into a basin, add a little of the warm milk, stir well and then pour the yoghurt into the pan of milk.
4. 4
   Stir well, then pour into the warmed dish and cover with the lid.
5. 5
   Cover the container with a thick cloth and leave in a warm place, such as an airing cupboard, overnight, until the milk clots.
6. 6
   If a thermos flask is used you do not need a warm place!