On 12/17/2020 at 9:59 PM, AlaMoi said:keeping in mind that the theory of some "original" or "authentic" recipe for a crunchy deep fry batter is patently absurd - it predates "documentation" . . .
I need to object here when specifically talking about Tempura. The dish originated in Nagasaki in the 17th century by combining Portugese fritters with Japanese vegetables. It was refined in the Edo area (modern Tokyo), leaning out the batter (no egg) and adding ice water to minimize gluten development. Processes and recipes are well documented.