Get a FREE O'riginal Glazed Doughnut at Krispy Kreme! March 15 through 17, Krispy Kreme will bring back the popular O’riginal Glazed Doughnut – an Original Glazed Doughnut gone green – available individually and by the dozen. Guests wearing green who visit Krispy Kreme in-shop or via drive-thru March 15 through 17 can receive one FREE O’riginal Glazed Doughnut, no purchase necessary.