does anyone know if there are BLs with chubby ukes and they don’t lose weight or the weight isn’t a main issue

I don’t remember if all of these are the uke, though they likely are. Anyways, here;
https://www.mangago.zone/read-manga/deri_pocha_yajuu_no_h_na_gohan/
https://www.mangago.zone/read-manga/minegishi_san_wants_otsu_kun_to_eat/
https://www.mangago.zone/read-manga/fat_you_want/

That last one is a oneshot, with the “second chapter” being unrelated.