To make the icing: whisk the ingredients together until doubled in volume. Pipe or palette the icing onto the buns. Preheat your oven to 170°C and pop bun cases into a 12-hole tin. Beat your egg ...

With Easter just around the corner, Phil Vickery is off to find out about how one of our favourite treats is made at the hot cross bun factory - before putting some buns to good use in his French ...