01 - Pour the milk into a saucepan and heat over medium heat, stirring occasionally to prevent scorching, until it reaches 180°F.
02 - Remove the saucepan from heat and let the milk cool down to 110°F.
03 - In a small bowl, whisk together 2 tablespoons of the cooled milk with the plain yogurt starter until smooth.
04 - Pour the starter mixture back into the cooled milk and stir gently to incorporate thoroughly.
05 - Transfer the milk mixture to a clean container, cover, and wrap in a towel to maintain warmth or place in a yogurt maker.
06 - Let the mixture culture undisturbed in a warm place for 6-8 hours until set.
07 - Line a strainer with cheesecloth and set it over a bowl. Pour the yogurt into the strainer and refrigerate for 1-2 hours until desired thickness is reached.
08 - Transfer the thickened yogurt to a clean container and refrigerate until ready to serve.