The extreme form of this causes:
* https://en.wikipedia.org/wiki/Hoarding#Anxiety
For ice cream specifically, America's Test Kitchen has you covered with "How to Make Homemade Ice Cream Without A Machine":
* https://www.youtube.com/watch?v=72Ml3U39xqs
And their video on some of the science behind making good ice cream:
* https://www.youtube.com/watch?v=St-8kZ7vmfI