These are chemistry-oriented, but some of them are food related.
C&EN does have a paywall, but I think Sketch Chemistry is free.
Nice to see xkcd appearing here (thanks!!). I read this site on/off over the last decade or so because stick figures are cool! :p Also, there's always something really weird like: https://what-if.xkcd.com/151/ or https://what-if.xkcd.com/141/- Christi