One of Britain's best loved chocolate bars, Mars' silky smooth Galaxy Ripple is celebrating its 50th birthday this year. So we got a sneaky peek inside the factory where the famous chocolate is made..

Express.co.uk had exclusive behind the scenes access to the factory to find out exactly what goes into making a bar of smooth Galaxy as well as its Ripple bars. When its iconic Ripple bar launched ...

Up to one million Galaxy bars can be made a day in the Slough factory, compared to around 150,000 Galaxy Ripple Bars ... 50 percent of British households buy a Galaxy product.