During the event, you can get any scoop of ice cream in a cup or cone for free. Additionally, should you have a hankering for more ice cream, you can get back in line as many times as you like.
If you're looking to try the most popular flavors, you can find a list of the top ten best-selling flavors here.
For something new, the brand introduced a few truffle-inspired flavors in January, a line of light ice cream in February, and most recently, a limited-time S'mores flavor.
In case you need a reminder for the freebie, you can sign up for one on the Ben & Jerry's website here.
Photo via Ben & Jerry's.