At least they’re using Heinz instead of Hunts.

Pop- up ice cream stand in London called Ice Cream Project. They have plenty of other odd offerings.

I’d try that

I’d try it with some mustard, beef, bun, and pickle ice cream.

Heinz released kits for ketchup, mayo and salad cream ice creams in 2020 https://www.entertainmentdaily.com/lifestyle/heinz-admits-its-new-ketchup-mayo-and-salad-cream-ice-cream-is-a-crazy-idea/