"A spokesperson for Pladis said: "We made some changes to McVitie's Penguin and Club earlier this year, where we are using a chocolate flavour coating with coco

"A spokesperson for Pladis said: "We made some changes to McVitie's Penguin and Club earlier this year, where we are using a chocolate flavour coating with cocoa mass, rather than a chocolate coating." "Sensory testing with consumers shows the new coatings deliver the same great taste as the originals," the spokesperson added."