Tunnock’s said that its order book was “full to overflowing”

It was a politically motivated attempt to force the country’s most famous confectionery company to crumble. After Tunnock’s branded its classic snack product as the “Great British Tea Cake”, Scottish nationalists responded with fury and called for a boycott.

But it has emerged that the campaign backfired spectacularly, with sales soaring following the controversy.

The Lanarkshire company has revealed that it struggled to cope with demand and sold hundreds of thousands more biscuits after they were branded “traitors” by irate cybernats.

Tunnock’s also capitalised on the furore by releasing a range of tea cake themed merchandise.

In January the company had launched an advertising campaign on the London Underground featuring a foil-wrapped treat on a silver cake stand, alongside the slogan “The Great British Tea