Foie Gras
Price per kilogram: $100
Foie gras is a luxury food product made from the liver of ducks or geese. It’s a popular ingredient in French cuisine and is known for its rich, buttery flavor. Due to the controversial process of producing foie gras, it’s banned in several countries. However, in countries where it’s legal, foie gras can be one of the most expensive foods, with prices ranging from $50 to $150 per kilogram.