A past winner of The Great British Bake Off opened up about how much contestants are paid to participate - and the hidden costs that viewers never hear about. Matty revealed how much participants actually get to cover the costs of their bakes - and how this can be easily used up'April 1st? But back in January it was confirmed that Nigella would be the next Great British Bake Off judge following Prue announcing she was stepping down after nine years. 'The Great British Bake Off is more than a television programme, it's a National Treasure – and it's a huge honour to be entrusted with it.' The Great British Bake Off airs on Channel 4.