'Like' the Krispy Kreme UK Facebook page and enter your details to get a free original glazed Krispy Kreme doughnut worth £1.35-£1.75. Krispy Kreme has said this is an ongoing offer.
You'll be emailed a voucher which you can either print or show in-store on your smartphone. You'll need to take ID with you.
By giving your email address you're signing up to their newsletter, but you can unsubscribe after you've received your voucher.
It's one per person and valid in all Krispy Kreme UK standalone stores, but not at Tesco, service stations, Costco or Krispy Kreme Occasions.