Yogurt making was something I started doing when I was ten. I am not kidding. While we cleaned up the kitchen after dinner, my Grandmom would put the leftover milk from the day to heat gently. And then it was my job to check the temperature and add the starter, and let the yogurt do its thing. There was however only one problem. There was no recipe to follow. It was not 1 tsp to a cup of milk or anything like that. I was supposed to guess the quantity of milk and adjust the amount of starter accordingly. …