You can get a free doughnut at Krispy Kreme on Mardi Gras: Here's how

If you aren't a fan of king cake, Krispy Kreme is offering customers another sweet way to celebrate Fat Tuesday this year. The doughnut chain is offering customers who wear Mardi Gras beads to a Krispy Kreme shop on Tuesday, March 4 a free original glazed doughnut, limit one per guest. The offer…