I/4 gallon of milk
1/4 cup of store-bought regular Greek yogurt (add 3 tbs of water, and mix it)
- 1. Heat milk in a medium saucepan over medium heat, stirring and scraping bottom of pan often with a heatproof spatula (for a smooth yogurt, make sure there aren't a lot of air bubbles), until the temperature is 185° Fahrenheit.
- 2. Cool the milk down to 110 degrees Fahrenheit.
3. Add 1/4 cup of store-bought yogurt to the milk.