Prepare the Milk: Heat the milk to 180°F (82°C) - Stir frequently to prevent scalding. Allow the milk to cool to around 110°F (43°C).
Inoculate and Mix: Add the yogurt starter culture to the cooled milk. Use either store-bought plain yogurt with live active cultures or a powdered yogurt starter. Transfer to Jars and Place in Cooler:
Incubate your Milk: Place the jars in a pre-warmed cooler. To pre-warm, you can add warm water to the cooler - check temperature several times.
Finish Your Yogurt: Maintain the temperature at around 110°F (43°C) for 4 to 6 hours. Enjoy your yogurt