Earlier dishes of European origin – notably those imported from Portugal in the 16th century such as tempura, are not, strictly speaking, part of yoshoku, which refers only to Meiji-era food.
Tidligere retter af europæisk oprindelser, herunder ikke mindst dem importeret fra Portugal i det 16. århundrede så som tempura, er ikke youshoku i snæver forstand, idet det kun dækker over mad fra Meiji-perioden.