How much cake for a 12x18 pan

Forum: Cakes & Cake Decorating

Hi if I have a big 12×18 in. Square pan…how many batches of cake should I make to fill it? I make my cake from scratch and one batch fills a normal square pan. Also will it cook okay? Do you bake it as you normally would? I’m also worried about getting it out of the pan since it is big. Thanks!


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Xuân-Minh, Minh Cakes ...

What’s the size as your “normal” square pan? Once we know this number, it will be easy to calculate the amount of batter your need, by using volume calculation.

Or else, just fill your “normal” pan with water and then into the 12×18 pan. Count how many times you do this. That’s exactly the factor of batter you need.

(Say, if you can fill your 12×18 pan by filling your normal pan three times, then you need to mix 3x your usual amount).

For baking, i suggest lowering the temperature of the oven by 10-20 degrees C, and a longer baking time, up to 30-60 minutes longer.

Xuân-Minh, Minh Cakes ...

P.S. I use big cookie sheets I got from Sweetwise to flip them out of the pan and move the cakes around. Wilton also have big cooling racks. Good luck!