Doughnuts are the best in dozens. Friday, 7/14 an #OriginalGlazed dozen is 80 cents when you buy any dozen. 🎈🎈 (US/CAN - no coupon needed) pic.twitter.com/0fHYk4uj9y — krispykreme (@krispykreme) July 10, 2017

The glazed doughnut is turning 80 on Friday, and Krispy Kreme is marking the occasion with a sweet deal.If you buy a dozen doughnuts on July 14, you can get a second dozen of original glazed for 80 cents.The doughnut chain opened in 1937 in North Carolina . They started by selling doughnuts to grocery stores before offering up their original glazed straight to customers.