Okay, so I'm sure everyone is getting really sick of me, but I have yet another question for ya! Is a sheet cake (I'm actually making 1/2 sheet cake, but I figure it will be the same answer) 1 or 2 layers usually? I knwo the size of the sheet cake itself is somewhat controversial and varies, however do the layers as well? What is typical - 1 or 2 layers?
Thanks so much!!!!!!
Unless requested, I use 1 layer. They are 2" high.
Excellent - thanks for the help! I guess I'll go with a 1-layer since she didn't say she wanted 2 layers. Easier on me! 
Hi, I sell lots of sheet cakes. When I bake a 11x15 I put 2 cake mixes in it and one layer is fine. When I bake the 12x18 I put in 3 cake mixes and that is just enough too. So I only make mine 1 layer.
I'd go with 1 layer. I started off with 1 layer for a bridal shower cake but thought it was not high enough so I added another layer and it was too high. I don't know if you could tell from the picture in my photos that it was high but also using 2 layers made the cake too heavy to carry.
Sweetbaker - good point about it being too heavy! I beleive I'll go with a 1-layer, since that seems to be the general concensus. I'm looking forward to making this cake, should be fun - will post pics!
As far as a box goes, I haven't even checked yet, but was curious if anyone knew off the top of their heads - what size would I use if I'm making 2- 9x13 cakes and putting them together? I know I need a little extra room around the sides, but do they make them in sizes like 20x28 or will I need to construct my own box?
Thanks again!
regarding a big enough container, check out wal-mart. I just bought 2 sterilite containers that were 28qt's and I would say at least 5-6inchs tall. It was certainly tall enough to handle a 4inch high cake w/roses on top and had a good 1 1/2inches on top for room and they cost about $3.97. Just a suggestion.
Thanks
Forgot to mention, the biggest pan I have 12x18x3 and it fits beautifully in there!!
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