Baking a sheet cake

Anonymous
I want to make a giant sheet cake in a jelly roll pan with box mix. But google says that serves 12-14 and I need more like 20-24.

Can I simply make TWO jelly roll pans of cake, cool them well (freeze them?), stack and frost? So a two layer jelly roll pan size sheet cake.

Would this collapse or break the top cake layer? I have no cake experience.
Anonymous
This is for a 2nd graders birthday btw.
Anonymous
You can do this but a jelly roll pan is very shallow like 1 inch. So you will have a very thin layers. Your whole layer cake will be around 2 inches high. Your cake will be less likely to crack and be easier to stack if your layers are thicker. But even if it cracks the frosting will cover it up.
Anonymous
for a giant sheet cake you'll need like 3-4 boxes of mix
Anonymous
Hmm. Does anyone have any good alternatives for baking a cake for 24? I really want to bake it myself because it’s because a birthday tradition, but we have never hosted such a big group before. No cupcakes please, must be cake!
Anonymous
Anonymous wrote:for a giant sheet cake you'll need like 3-4 boxes of mix


3-4 boxes of mix sound like more than enough for 20-24
Anonymous
Anonymous wrote:Hmm. Does anyone have any good alternatives for baking a cake for 24? I really want to bake it myself because it’s because a birthday tradition, but we have never hosted such a big group before. No cupcakes please, must be cake!

You can make a tiered cake.
Anonymous
Put frosting between the layers to make a 2 tiered cake. Make sure the layers are flat by cutting them across the tops before stacking.
Anonymous
Measure your pans and google how many cups of batter you need per sheet cake. If it's a full sheet cake, I believe you're going to need 3 boxes of mix. To make the cake a little fluffier you can use Dream Whip. Follow the directions to make the cake on the Dream Whip box, not the boxed cake mix box.

Leave it in the pan and frost it and that's plenty of cake for 24 people.
Anonymous
You could bake two flavors of cake - vanilla and chocolate - bake each box in a 9 by 13 pan. Cool, put next to each other and frost so it looks like once cake. Then you have options for the kids.

Anonymous
Anonymous wrote:Hmm. Does anyone have any good alternatives for baking a cake for 24? I really want to bake it myself because it’s because a birthday tradition, but we have never hosted such a big group before. No cupcakes please, must be cake!


Half Sheet Cake Slices 12” x 18” -30 Pieces

Also you can bake and freeze the cake a few days earlier. You have to wrap them properly but they defrosted pretty well. Though cupcakes are the way to go with this many people.
Anonymous
OMG, buy it from Giant.
Anonymous
Why are you using a jelly roll pan to make a sheet cake to feed 24? Is that all you have? They are only 1' deep!
Anonymous
Anonymous wrote:Hmm. Does anyone have any good alternatives for baking a cake for 24? I really want to bake it myself because it’s because a birthday tradition, but we have never hosted such a big group before. No cupcakes please, must be cake!


Why do you need an alternative? You might be overthinking this.

Get two 9x13 cake pans. Personally I would do 2 boxes of cake mix per pan but 1.5 would be okay too. One box per pan will be way too skinny.

Lay out the two cakes side by side. Frost with a crumb layer to fill in the crack between cakes then do a thick layer of frosting.

If you wanted to get fancy with it you could bake 4 separate one box cakes so you can do a layer in between. Just as easy but more time consuming.
Anonymous
Cupcakes are the obvious solution. You can stack them to lol like a cake.
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