I need to adjust a recipe from using round cake pans to a half sheet. How should I adjust?

I want to make a tres leches cake for a large crowd. I was thinking of using this recipe but need to adjust from 10 inch round pans to a half sheet pan (12x18x2). Can I just mulitply by 2.75? or are other adjustments necessary?

http://www.fronterafiesta.com/cook/desserts/155-pastel-de-tres-leches-celebration-cake

thanks, marcus

(ps - i'm assuming i can use orange extract rather than orange liquor? it's for an elementary school function so alcohol is kind of out)

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2 Comments

Nancy November 30, 2014
Marcusklein - to answer your question see this great chart allowing you to change pans and baking times...http://www.wilton.com/cakes/making-cakes/baking-serving-guide.cfm (and yes on substituting orange extract for liquor for the K-4 set)
 
marcusklein November 30, 2014
Thanks!
 
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