Finally I got it, this magic tray! I was no longer white cheese with my yogurt Multidélices because I found very very tedious to handle all the pots and strainers, for ultimately a reduced volume of white cheese. With two boxes, I can use almost two liters of milk at one time, for a consistent white cheese, creamy, that delights children and adults, without being painful to do for Mom! Easy to use, easy to clean, a joy.