[toyg]

But tbf, that happens once in a billion recipes. 99% of new recipes are forgotten, often after a week or two.

[bombcar]

Even some of the most famous recipes can change over time. I’m sure that things like McDonald’s burgers are slightly different now.

Perhaps the most enduring a chef can do is invent a new technique.

[SAI_Peregrinus]

The Youtuber Max Miller's channel "Tasting History with Max Miller" has a number of good examples of old recipes for now-familiar foods. His Semlor episode[1] compares a recipe from 1755 and one from more modern times, and there are substantial changes.

[1] https://www.youtube.com/watch?v=0Ljm5i5N6WQ

[prewett]

The chicken nugget and McChicken batter are different from when I worked at McDonald's as a kid. Naturally it was better back then...

[bombcar]

IIRC they switch from frying the fries in beef oil to using vegetable oil and the fries have never been quite as good.