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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 almost 3 years ago
7 answers 1092 views
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Monita

Monita is a Recipe Tester for Food52

added almost 3 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 is a trusted source on Bread/Baking.

added almost 3 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

Cynthia is a trusted source on Bread/Baking.

added almost 3 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...
http://www.online-calculators...

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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added almost 3 years ago

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

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boulangere

Cynthia is a trusted source on Bread/Baking.

added almost 3 years ago

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

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added almost 3 years ago

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

23b88974 7a89 4ef5 a567 d442bb75da04  avatar
added almost 3 years ago

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