With just three bakers left in the running, things are hotting up ahead of the Great British Bake Off final tomorrow night. But while Richard, Luis and Nancy are biting their nails, supermarkets are already celebrating thanks to soaring sales of baking ingredients. According to Waitrose, sales of edible glitter and mini marshmallows have doubled since the series began, while last week's patisserie theme boosted baklava sales by 100 per cent. Popular: Richard Burr's winning ways in the kitchen have made him the favourite to triumph in tomorrow's final Sales have even remained buoyant in the face of the controversies that have dogged this year's Bake Off, including accusations of smut and the infamous 'Alaskagate' incident.
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Waitrose say sales of baking ingredients have soared thanks to GBBO
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Popular items include edible glitter, mini marshmallows and sugar stars
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Bookmakers have also cashed in, with builder Richard Burr the favourite
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Stockport's Luis Troyano is in second place, followed by Nancy Birtwhistle
In the running: Nancy Birtwhistle and Luis Troyano will have to beat @placeholder to win the Bake Off title