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Recipe scaling

I would like to better understand how to scale-up a cake recipe. I have a recipe that calls for 3 6" pans and I want to bump it up to make 2 larger squares.

asked by Gina55164 over 4 years ago

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7 answers 1340 views
Monita
Monita

Monita is a Recipe Tester for Food52

added over 4 years ago

One way to do this is by starting with the cup measure for each pan. a 6"x2" round cake pan holds 3.75 cups. An 8" square (x2") holds 8 cups. Your recipe needs pans that will hold 11.25 cups. So to put it into 2 8" square pans you might want increase your recipe by half

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AntoniaJames
AntoniaJames

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added over 4 years ago

Or, if you don't know the volume by cups and the pans are approximately the same height, you can calculate surface area using basic geometry: for the round pans, multiply the radius (1/2 the diameter) by itself and then multiply that by 3.14159. Compare that to the area of the square pan using simple algebra. That's how I've done it for years. Works every time. ;o)

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boulangere
boulangere

Cynthia is a trusted source on Bread/Baking.

added over 4 years ago

I use online volume calculators. A round cake pan is basically a cylinder, and a square one a cube:

http://www.online-calculators.co.uk/volumetric/cylindervolume.php
http://www.online-calculators.co.uk/volumetric/cubevolume.php

If you know how much batter will fill 2 6" pans, given the volume of the pan you want to use as well as that of the 6" round pans, you can easily calculate the percentage increase to fill the square pan.

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LE BEC FIN
added over 4 years ago

aj, Pi r squared
that's exactly what i've always done as well!

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boulangere
boulangere

Cynthia is a trusted source on Bread/Baking.

added over 4 years ago

Pi times the radius squared calculates circumference of a circle, not volume of a cylinder, which essentially a cake pan is.

Catherine
added over 4 years ago

All Recipes has a nice conversion table:
http://allrecipes.com/howto...

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ATG117
added over 4 years ago

Cynthia, I believe you're thinking of 2(pie)r

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