The article explores the concept of expensive vegetables and introduces the five most expensive vegetables in the world. These include a type of spinach grown by Mr. Yamashita in France, a rare asparagus available for a limited time each year, a pungent herb sold as Japanese water horseradish or Japanese green horseradish, French luxury potatoes, and the most valuable mushroom in the world, all of which are consumed in high-end restaurants due to their rarity and high cost. Prices range from HUF 7,000 for half a kilogram of spinach to HUF 48,000 for 100 grams of the valuable mushroom.