Ever wonder which may be Most Expensive food consumed by Human beings ??

Tuber aestivum (Truffles) is an Ascomycetous edible fungus.it is one of the costiest food and sold in France and USA at rate of 22000 -85000 rupees /kg. Due to its high cost it is popularly called "BLACK GOLD" Dogs and pigs help in their extraction from below the soil.