Help! How Long Do I Bake A 12X18-X2 Cake?? (More)
Decorating By oliver30 Updated 13 Jun 2015 , 6:46pm by YogaBaker


I always bake at 350 for 30 to 35 minutes with no problems. Don't know about at 325.


I have been making 10x15x3 which also takes 3 enhanced cake mixes. I also always bake between 300 and 325 and it took 2 hours for the red velvet and 1hour 45 minutes for the french vanilla. Not sure why one took longer than the other but it did. HTH
Melissa

Because it gets too thick and therefore takes a long time to bake - I like to bake my sheet cakes individually in 12x18 sheets (like jelly roll pans). I bake 3 thinner layers and then stack together with buttercream or filling.
They bake in about 20 minutes.

I bake 12x18 at 325 for 60+ min with flower nails in the center. I like the idea of using the jelly roll pans. When I worked in a bakery we did it that way but used paper collared up the sides to make it higher.


That's why I do it!! Bakes faster, and no cutting!
Just make sure you line the bottom of your pan with parchment - not only does it make sure it comes out in one piece, but it helps with assembly.
What I do is after the cakes are cooled, I place the whole pan in the fridge. Then after 1-2 hours, I put buttercream down on the board, take one pan and invert onto the board....give it a giggle and it will plop out of the pan. Then layer of filling/bc, then do the same with the next layer of cake , filling, layer of cake and you end up with a nice flat surface on the top to ice.
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