Debbi, they'll be yummy, but I'm afraid they might start to come close to overflowing the pan. Make sure you have a good, deep (2" at least) 9" x 13" pan. Can't say for sure, but start testing at about 40 minutes - that would be my guess. Good luck - PJH
December 10, 2013 at 10:10am
In reply to I prefer a thicker brownie. My granddaughter and I bake togeth… by DebbiH (not verified)