It's fitting that National Ice Cream Month is during one of the hottest months of the year. With National Ice Cream Month comes National Ice Cream Day, which this year was on July 19. Now, some may think that vanilla ice cream is boring or simple, but according to Southern Living, vanilla remains the country's top choice when it comes to favorite ice cream flavors. According to the author of the article, she only tested regular vanilla ice cream flavors, no offshoot vanilla flavors like vanilla-bean or anything like that. In addition, her methods of testing the ice cream brands consisted of having someone else scoop the ice cream into bowls so that there was no bias in the decision-making.