Prue Leith showcased her tiramisu sandwich biscuits on The Great Celebrity Bake Off Stand Up to Cancer.

Prue provided the recipe for the celebrities for this week’s technical challenge.

The celebs in the tent baking to raise funds for cancer research were: the leader of the Scottish Conservative party Ruth Davidson, Made in Chelsea star Jamie Laing, actor Tim Minchin and singer Ella Eyre.

The ingredients for the biscuits are: 200g very soft unsalted butter, 40g icing sugar, 2 tbsp coffee liqueur, ½ tsp instant espresso powder, 180g plain flour and 20g cornflour.

For the buttercream: 125g unsalted butter, softened, 250g icing sugar, sifted, 2 tbsp coffee liqueur and ½ tsp instant espresso powder.

For the decoration: 100g plain chocolate, 70% cocoa solids and 8 chocolate covered coffee beans.