Take 2 cups of 1/2 and 1/2 and heat it to 105. Add 1/4 cup of good non-gelatin plain yogurt. Whisk together, put in a (VERY CLEAN) mason jar. Cover the jar with a bath towel and rubber band a heating pad around it for about 8 hours. DUH! DUH! Yogurt.
The yogurt is a good as the ingredients you start with – tip