The treats will be available from January 7 and cost £1.50 for a bag of 100g or 69p for a smaller bag weighing 39g.
Just like the traditional biscuits, the treats contain a orange-flavoured centre with a light sponge and are coated in milk and dark chocolate.
Instagram account Instafoodietwins has also spotted the launch, and its followers are really excited.
Luke Pritchard said: "Wow they look amazing", while another user wrote that he isn't expecting them to last very long.
Activ8sportstherapy commented: "Does anything involving Jaffa Cakes ever last long?"
The treats will be available in all the major supermarkets in the UK, although it's not yet clear how many calories they contain.
But shoppers who keep the environment in mind will be delighted to hear that McVitie's is letting fans recycle the packs via Terracycle.
McVitie's has also branched out from the traditional orange-flavoured centre into new exciting flavours as of late.
In June this year, the company launched a lemon and lime flavour as a permanent addition.
A few months later, it also revealed strawberry-flavoured Jaffa Cakes – leaving us unsure of how to feel.
Meanwhile, scientists claim you've been eating Jaffa Cakes the wrong way – here's how you should be doing it.
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