Presenters Sue Perkins and Mel Giedroyc announced earlier in September that they would not follow the show and go to Channel 4 saying: "We made no secret of our desire for the show to remain where it was... we're not going with the dough."
The judges' decisions have left a few puns in the oven:
There was a cracking suggestion from Pointless co-presenter, Richard Osman:
There was shock:
And dismay:
Some were suggested holding a memorial to the programme:
How to explain to the younger generation about the significance of 'Great British Shake-up':
Some were concerned about the rest of the ingredients:
Others asked about loyalty:
So what now for GBBO?
Who will stir in the double entendres? If your surname's Baker, you're halfway there:
Would he approve of these co-stars? They might cost a pretty penne.
Compiled by Sherie Ryder, BBC UGC & Social News team
Paul Hollywood's decision to stay with the Great British Bake Off when it moves to Channel 4 and Mary Berry's decision to leave the programme has got Britain's bakers in a flap(jack).