The process for making ice cream was not self-evident, so Jefferson wrote it down. Here it is, slightly condensed. 2 bottles of good cream 6 yolks of eggs 1/2 lb. sugar Mix the yolks & sugar ...

But ice cream on a stick was so novel that the process of making it earned Burt two U.S. patents, thus launching his invention, the Good Humor bar, into an epic battle against the previously ...