Dunkin' Donuts Giving Away Free Donut Fries On 7/13

Dunkin' Donuts Giving Away Free Donut Fries On 7/13 If you didn't know, July 13 is National French Fry Day. In an effort to get in on the celebration, Dunkin' Donuts is offering free Donut Fries. The incredibly popular Donut Fries launched earlier this month. If you haven't tried them yet, now's your chance. 25 participating locations will supply a free order of the Donut Fries to the first 100 people through the door. The promotion will be between 10am to 2pm local time.