The bakery chain hasn’t said how long this deal will last for so grab it will you can.
Greggs rewards is also a good way of building up points where you can receive tasty treats in return.
The website says: “Download the Greggs app and join Greggs Rewards; the account that rewards you for shopping at Greggs.
“Just scan your phone every time you shop at Greggs to get your hands on:
When you join Greggs Rewards after downloading the app on your phone, you will get the opportunity to claim a free coffee when you register your email address.
Greggs have also issued important advice for those wishing to visit their stores.
Only one adult per household is allowed in the shop at any one time as well as being asked to keep two metres away from others while inside.
Card payments will be the only form of payment allowed for the foreseeable future.