Since 1937. Original Glazed Doughnuts - A Legendary Favorite: Krispy Kreme is famous for our Glazed Yeast Doughnuts. We follow the same secret recipe that was perfected in 1937. It originally took 5 1/2 hours to make each melt in you mouth doughtnut, and it still does today. www.krispykreme.com Contact us at Krispy Kreme Doughtnut Corporation, Customer Experience, Post Office Box 83, Winston-Salem, NC 27102.