Most of the wasabi served outside of Japan is a mixture of horseradish, mustard, and food coloring. Real wasabi must be freshly grated as it only holds its strong flavor for ~15 minutes. – WTF Fun Facts
WTF Fun Fact – Fake Wasabi
Most of the wasabi served outside of Japan is a mixture of horseradish, mustard, and food coloring. Real wasabi must be freshly grated as it only holds its strong flavor for ~15 minutes. – WTF Fun Facts