CDC paper. The company responsible for one of these poisonings is likely Oh Sweet Art, located in Palm Bay, Florida.
Their decorative “non-toxic” powders, which may contain up to 25% lead, are still available on Amazon (lol).
Modified the title to reflect what, specifically, is a problem with the cakes, so there’s no panic about every hunk of fondue.
This is the second article about illegal cake decorations I’ve read this week. https://www.npr.org/2021/10/15/1046348573/sprinklegate-sinks-a-u-k-bakerys-top-sellers-after-topping-is-found-to-be-illega