Cream cheese is the secret ingredient. This looks doable: http://www.nytimes.com/2016/06/15/dining/soft-serve-ice-cream.html?mabReward=CTM&moduleDetail=recommendations-0&action=click&contentCollection=Opinion®ion=Footer&module=WhatsNext&version=WhatsNext&contentID=WhatsNext&src=recg&pgtype=article
It sounds like an interesting method. I’ve never had much luck with ice creams at home, period. However, I haven’t really tried that many times.
If you try it, let us know!