MC is chubby and likes to cook and the other MC is popular but doesn't really eat. So MC1 cooks for him and they fall in love.
https://www.mangago.zone/read-manga/deri_pocha_yajuu_no_h_na_gohan/ This one?
Thank you! It's the one.
Glad to help ヾ(❀╹◡╹)ﾉ~
MC is chubby and likes to cook and the other MC is popular but doesn't really eat. So MC1 cooks for him and they fall in love.