Came here to mention the Instant Pot. My only difference is to put the cooled milk into pint jars, then add a teaspoonful of the previous batch of yogurt to ea

Came here to mention the Instant Pot. My only difference is to put the cooled milk into pint jars, then add a teaspoonful of the previous batch of yogurt to each one. I'll have to try the 60-hour thing... sounds interesting!