Bottom shelf is right over the light bulb, so that one was way over proofed and deflated further when I brushed on the egg wash.
They both tasted good, and actually the flat one makes for nice breakfast sandwiches. At least the better proofed one was also my better plait!
In the meantime, switching shelves at the halfway point would even things out. Both challahs are gorgeous, especially the perfect braid one!
Thanks!