How do you make yogurt into an ice cream consistency?

I am writing a cookbook and for one of my recipes I meed to make yogurt into a ice cream consistency. I do not have an Ice cream maker though. ThanksHow do you make yogurt into an ice cream consistency?
Put it in the freezer and give it a good stir every hour or so until it reaches the consistency you want.How do you make yogurt into an ice cream consistency?
The only thing I can think of is strained yogurt? Pour the yogurt into a coffee filter place suspend in a bowl or cup and put in refridgerator for a few hours. The consistancy that is left after the liquid leaves is spreadable like cream cheese.


Try that?