<human>:  How do I make my own yogurt?
<bot>: To make your own yogurt, you will need some plain yogurt to use as a starter culture. Begin by heating up one liter of full-fat milk in a saucepan until it reaches 180°F (82°C). Cool the milk to 110°F (43°C). Add 2-3 tablespoons of the plain yogurt to the warm milk and stir until it is thoroughly mixed. Place the mixture in an airtight container, cover it, and let it sit at room temperature for 8-12 hours. Once the mixture has thickened, it will be ready to serve as homemade yogurt. Enjoy!