Yogurt

Directions

1. 1
   In a medium pot, combine the milk and milk powder.
2. 2
   Set over medium heat until the milk reaches 180F (82.2C).
3. 3
   Turn off the heat and let the milk cool to 110F (43.3C).
4. 4
   Put the yogurt in a bowl and stir one-third of the warm milk into the yogurt.
5. 5
   Pour the yogurt-milk mixture into the pot with the rest of the milk and stir to combine.
6. 6
   Transfer the mixture into yogurt-maker containers, put them in the yogurt maker, and let the yogurt develop for 9 hours.
7. 7
   Transfer the yogurt to the refrigerator and chill for at least 6 hours.
8. 8
   It will keep for up to 2 weeks in the refrigerator.
9. 9
   Reserve one container of yogurt to make the next batch.
10. 10
    This can be repeated 2 or 3 times, at which point the yogurt cultures begin to mutate and a fresh starter should be introduced.