Real crumb buns are not cake, They are really far more much like the consistency of a Danish. I’m not a baker but most likely made with yeast? If you know of any bakery that still makes them like that, I'd love to be aware of. The WOLF-Garten Crumbler capabilities https://raymondacczz.fireblogz.com/60039087/5-easy-facts-about-crumbler-described