real wasabi; true Japanese wasabi
Refers to genuine wasabi (Wasabia japonica), as opposed to the more common horseradish-based substitute often labeled 'wasabi' in the West. Used especially in culinary contexts to emphasize authenticity.
This sushi restaurant uses real wasabi.
Real wasabi and Western horseradish have different flavors.
General term for wasabi, which can refer to either the real plant or horseradish-based paste. 本わさび unambiguously means the genuine article.
Standard mixed kanji-kana spelling; clearly distinguishes real wasabi from Western horseradish.
Katakana variant sometimes seen on menus or packaging for emphasis.
Full kanji spelling; less common in everyday use.
Compound of 本 (hon, 'true' or 'real') and わさび (wasabi, the Japanese horseradish plant). The prefix 本- is commonly used to distinguish genuine native varieties from foreign or substitute versions.