Edible gold is one of the most luxurious items you’ll find in the kitchens of the most expensive restaurants and in the cocktail cabinets of the best rooftop bars in the world. It definitely makes any food look more luxurious – after all, gold has always been the symbol of wealth and riches – but it’s by far not the most expensive food ingredient you can use (especially not at the quantities routinely used in kitchens). There are, in turn, food ingredients that are worth their weight in gold – literally. Here are some of the most expensive ones today.