I make yogurt n my original QC all the time. Here is my recipe. My grandchildren and the rest of the family won’t eat any other yogurt now.
1 Half Gal. of whole Fairlife Milk
1 small container of Bliss Van. Flavor Creamer (liquid)
2 Heaping tsp. of Chobani Plain Yogurt.
Whisk all this in your QC
Set at PROOF for 6 hours then when timer goes off set again 2 more hours (total of 8 proof hours)
When complete, take out and cover with Saran Wrap put in frig overnight and then I put into mason jars to store in frig