First of all, it is a bit of a problem to bake when you only have one oven, as most of us do. Tarte flambée should only be baked with top / bottom heat and on the lowest rack, because then it will be the crispest. But there are only 2 tarte flambée on a tray. We solved it as follows. First bake the 1st tray for 15 minutes, then the 2nd tray. So that the first two don't cool us down by then, we shared a tarte flambée with each other, and when the second tray was ready, we did it again. We all enjoyed it wonderfully.