Seeking Help Understanding Cake Formulas

Baking By musicexplosion Updated 18 Apr 2018 , 12:50pm by SandraSmiley

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musicexplosion Posted 16 Apr 2018 , 9:00pm
post #1 of 7

I'd like to learn about the science of baking, so that I can craft my own recipes and distinguish between recipes that work/don't work, as well as use substitutions more confidently, but I've had trouble finding much information on the subject beyond this:

  1. Basic formula, using weight, not volume:
  2. Sugar = flour.
  3. Eggs = fat.
  4. Eggs + Liquid =Sugar.
  5. 1 teaspoon of baking powder for every 1 cup of flour.
  6. 1/4 teaspoon baking soda for each 1 cup of flour (baking soda is used if the recipe has a considerable amount of acidic ingredients).
  7. Don't forget the 1/2 teaspoon of salt as a flavor enhancer.
    Source: http://www.geniuskitchen.com/recipe/cake-formula-219733#activity-feed

Other websites have had similar instructions. But take, for example, this wonderful recipe for banana bread: https://www.ricardocuisine.com/en/recipes/6085-ultra-moist-banana-bread ... I've made it many times so I know it works even though it definitely contradicts the formula. The formula also doesn't account for things like sour cream (which you can substitute in place of coconut milk/lime juice... does it count as a liquid like the coconut milk would have?), bananas (again, solid/liquid? acid? moisturizer?)

Ex. According to the formula, the weight of eggs should equal the weight of fat. 1 egg weighs approx 56 grams whereas 1/2 cup butter weighs approximately 113 grams... so they are nowhere near equal, but this recipe still works.

I was wondering if you kind folks might have some insight into this.

P.S. Also, how is cocoa accounted for in a cake formula?

6 replies
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-K8memphis Posted 16 Apr 2018 , 9:24pm
post #2 of 7

well for one thing you're comparing a bread to cake formula -- so that's a no go -- 

 

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cakefan92 Posted 17 Apr 2018 , 12:37am
post #3 of 7

Check out Baker's Percentage.  All ingredients are converted into percentages, based on the flour always being 100%.  If your recipe calls for 2 cups of flour and 1 cup of sugar, for example, the flour would be 100% and the sugar would be 50%. Convert your tried-and-true recipes first, then you can look at a new recipe and be able to tell if it will work.

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louglou Posted 17 Apr 2018 , 1:47pm
post #4 of 7

In the uk the most popular cake is Victoria sponge which is equal weights (not volume) of sugar, eggs, self raising flour and butter. It’s a great starting place for understanding ratios.

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SandraSmiley Posted 18 Apr 2018 , 1:10am
post #5 of 7

Just for the record, I am a Hillbilly from the southern USA and I LOVE Victoria Sponge!

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louglou Posted 18 Apr 2018 , 9:20am
post #6 of 7

@SandraSmiley - how does Victoria sponge compare to American vanilla cakes? Is it much drier? I love it but I didn’t think it would appeal to people outside the uk. 

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SandraSmiley Posted 18 Apr 2018 , 12:50pm
post #7 of 7

It is probably slightly dryer, louglou, certainly more so than a cake mix.  I grew up eating scratch cakes only, so it is much closer to my idea of a great cake.  In the US, we do not typically use additional leavening with self-rising (raising, in the UK) flour and I like the extra lift it adds.  We have nothing similar with the fresh cream and jam filling, so much lighter than buttercream.  I was given the recipe by a dear friend who lives in the UK and my husband and I both fell in love with it.  To me, it is almost like a great, bit strawberry shortcake!

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