Leave the biscuits to set and harden on the trays for five minutes before transferring to a cooling rack to cool completely. When they are completely cool, pipe the custard buttercream onto one ...

Custard powder gives these biscuits the perfect ... Match 2 similar-sized biscuits, then pipe the icing onto the flat side of one of the biscuits and spoon 1tsp jam on the other biscuit.

Stir together the flour, custard powder, icing sugar ... dough to a piping bag fitted with a large star-tipped nozzle. Pipe the biscuit dough onto the baking tray in a tight 'S' motion ...

Set aside. In a food processor or using a rolling pin and a bowl, crush 24 of the custard cream biscuits with the biscuit filling. Add the melted butter to the biscuit and mix. Pour this into the ...