Cola Cubes Retrocorn Popcorn snack pack 35g Cola cube Popcorn – coated with crushed sweets. As one of our favourite treats growing up – Cola Cubes was a no-brainer when it came to selecting flavours for the Retrocorn range. There’s no two ways about it – it’s truly scoff-able popcorn from the moment you open the bag, to the moment you realise it all ended too soon. Ingredients Crushed Candy, Sugar, Glucose Syrup, Flavouring: Citric Acid, Natural Flavouring: Cola, Colour: Beetroot Red. Popped Corn. Olive Oil, Rapeseed Oil.