These are all connecting by food! I haven’t read some in a while so don’t remember how wholesome they are
https://www.mangago.zone/read-manga/itadakimasu_gochisou_sama/
https://www.mangago.zone/read-manga/kogarete_kogashite/
https://www.mangago.zone/read-manga/sugar_dog_life/
https://www.mangago.zone/read-manga/motoyan_papa_to_hitsuji_sensei/
https://www.mangago.zone/read-manga/hatsukoi_no_tonari/
https://www.mangago.zone/read-manga/noraneko_no_shokutaku/
https://www.mangago.zone/read-manga/pavlov_s_lover/
https://www.mangago.zone/read-manga/weekend_citron/
https://www.mangago.zone/read-manga/mitsuya_sensei_no_keikakuteki_na_edzuke/
https://www.mangago.zone/read-manga/ch_ri_my_destiny/
https://www.mangago.zone/read-manga/yankee_to_carameliser/
Especially if they connect over food like tonari no metaller-san, Renchin, but any wholesome ones would do tysm ♡( ˘ω˘ )