this is serge nubret, for those who don't know. perhaps one the most aesthetically gifted bodybuilders, in an era when, imho, most guys would like to have the physique of a bodybuilder. today, not so much.
sergenubretforever.com/serge-nubrets-diet
you can look it up elsewhere but this link has some other links where serge speaks on some the boards. he doesn't give many specifics, other than, he ate one to two meals daily. aka, intermittent fasting. and he ate... a lot.