I don't know of one still in existence, so I looked it up. It' has no locations on their map
https://www.ljsilvers.com/locations
and this in their rewards
Idk about the peas, but in little paper cones with salt flakes and acv, along with the scrambler, spun sugar, the whip, and cocked-up sites as yellow tin duckies scrolled along are some happy memories I've not had in a few decades. Thanks, mate.