There Is A Color-Changing Ice Cream

https://www.youtube.com/watch?v=1dkkCbpfBbs While taking an ice cream making class in Barcelona, Manuel Linares had a fever dream (we assume) that inspired him to take on this Wonka-worthy endeavor. Using his physics and engineering background, he managed to create an all-natural ice cream that would change color, like the xameleon, or chameleon, for which it was named. The final product is said to morph from blue to purple (or pink; reports are unclear) as it melts, but Linares will not divulge his techniques  or much detail at all while the patents are still in process.

-modernfarmer.com