Mars bosses say the investment means it can now produce five million chocolate bars in Slough a day.
A court in Bremen has found the manufacturer of the classic Alpine Milk chocolate bar guilty of "shrinkflation".
The Birmingham-based chocolate maker said the limited edition bars would go on sale later this year.
The 126-year-old chocolate bar is described by auctioneers as "very rare, if unappetising".
The author, who visited York Chocolate Festival, says she has synaesthesia and can smell colour.
Billy D'Souza spent more than £600 on 22 Easter eggs to highlight the rising cost of chocolate.
With the cost of living rising, shoppers give us their thoughts about the new versions of the Easter classics.
More than £7,000 of suspected stolen items are found after police stop a car with faulty brakes.
Chocolate bars may have shot up in price but West Africa's cocoa farmers are facing economic ruin.
