03 Jul 2017 --- Vanilla ice cream continues to reign supreme as America’s favorite and chocolate-filled flavors dominate the top five bestselling ice cream flavors according to a recent survey of ice cream makers and retailers across the US. The survey was conducted by the International Dairy Foods Association (IDFA) among its members who make and market ice cream as well as members of the National Ice Cream Retailers Association, which includes operators of ice cream parlors in the United States.