Costa previously announced that it would no longer be heating its cinnamon buns to avoid customers burning their mouths on the hot icing. However, it's now understood that Costa will once again be selling hot cinnamon buns after finding a new, safer way to heat them up. Costa Coffee makes a major change to a popular itemIn a statement, Costa said: "We have listened to customer feedback and are pleased to confirm that our Cinnamon Buns can now be heated upon request." The Costa Coffee Facebook page saw one customer write: "Cinnamon buns are just so much nicer when they are warm." How to claim a free Costa coffee using this trickCustomers at Costa Coffee can claim a free hot drink without buying anything, according to LatestDeals.co.uk co-founder Tom Church.