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Which Dairy Makes the Best Cake?

September 25, 2014 by Summer Stone

Our contributor, Summer Stone of Cake Paper Party, is back today with a new baking science experiment….

Which Dairy Makes the Best Cake? | Baking Science Article by Summer Stone for TheCakeBlog.com

The liquid portion of a cake recipe can be easily overlooked as an insignificant ingredient but, it plays an important role in the character of the cake.  In this segment I will take a look the differences in three different types of dairy products and how varying these will change the resulting cake.  The three dairy products are whole milk, buttermilk and sour cream. Let’s delve in and see what changes happen and the properties that of the dairy items that lead to these changes.

The main properties of the liquids that affect cake are acidity and fat.

  • Acids in a batter have an effect on protein interaction and starch gelation.
  • Fat in batter provides moisture, and by coating gluten forming proteins, reduces gluten formation and thus tenderizes the cake.

When you alter the type of liquid that goes into a cake batter you redefine the balance and interplay of the fats and acidity.  Whole milk is a relatively neutral liquid and provides around 9 grams of fat per cup.  It provides little acidity but is moderate in the fat department.  Buttermilk, which is generally derived from low-fat or non-fat milk contains little fat at approximately 2.5 grams per cup but offers greater acidity at around 1% acid content.  Sour cream has acidity akin to buttermilk at about 0.8% but unlike buttermilk, sour cream also imbues a batter with 40 grams of fat per cup.

 

DAIRY
Milk
Buttermilk
Sour Cream

ACIDITY(approx %)
0.14
1.0
0.8

FAT (per 8 ounce cup)
9 grams
2.5 grams
40 grams

 

Which Dairy Makes the Best Cake? | Baking Science Article by Summer Stone for TheCakeBlog.com

How does changing these ingredients actually play out in a cake recipe?  It seems that acidity truly is an important factor of cake liquid.  The cake baked with whole milk was slightly darker in color that the acid containing cakes and the milk cake had a coarse crumb.  The coarseness of the crumb is likely caused by the lack of acidity, which allows gluten proteins to readily form, and the neutral liquid which can bolster gluten formation.  The milk cake was also slightly bland in flavor compared to the others because of its mild flavor.

Which Dairy Makes the Best Cake? | Baking Science Article by Summer Stone for TheCakeBlog.com

The buttermilk cake was lighter in texture and had a tenderer crumb.  Interestingly, the cake did not seem to suffer significantly from the reduction of fat.  It was as moist as the whole milk cake.  The buttermilk cake did have the advantage for flavor though.  It provided a mild complexity that was not too tangy.

Which Dairy Makes the Best Cake? | Baking Science Article by Summer Stone for TheCakeBlog.com

The sour cream cake had a very fine, tender crumb.  The sour cream contains acidity as well as sizable amounts of fat.  This combination generated a cake with a very appealing texture.  The sour cream cake was also light in texture and at the same time moist.  This cake, like the buttermilk had a lovely flavor that was brought about by the subtle sour acid notes in the sour cream.

Which Dairy Makes the Best Cake? | Baking Science Article by Summer Stone for TheCakeBlog.com

Acidity and fat derived from liquids can have a great impact on the outcome of a cake.  My preference is for a cake containing sour cream which offers a beautiful balance of acidity and fat that translates into a flavorful cake with a fine moist crumb.

Happy baking!

 


 

Now read my article, Mixing Up The Perfect Cake.
See exactly how long to mix butter and sugar together!

Mixing Up the Perfect Cake | Exactly how long to mix butter and sugar? | Baking Science article by Summer Stone for TheCakeBlog.com

 

Next see If Sifting Makes a Better Cake.
I think you’ll be surprised by my results!

True or False?  Does Sifting Make a Better Cake?  |  Baking Science article by Summer Stone for TheCakeBlog.com

 

And don’t miss my article, The Meringue Buttercream Myth!
It’s a unique new way to make Swiss Meringue Butterceam.

Breaking the Meringue Buttercream Myth | a new approach to a classic recipe | by Summer Stone for TheCakeBlog.com

 

September 25, 2014 by Summer Stone

Summer Stone , CONTRIBUTOR

Summer's love of baking and science, plus a bit of a rebellious spirit, leads to all sorts of crazy experiments in the kitchen and beyond. She also blogs at CakePaperParty.com. Read more about Summer on her bio page.

connect with Summer :

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Comments

  1. amber says

    September 26, 2014 at 11:44 am

    does the thickness of sour cream make a difference? would you substitute at a 1:1 ratio? I swap whole milk and buttermilk 1:1, but was curious about the sour scream swap. thanks!

    • Summer Stone says

      September 26, 2014 at 11:55 am

      I substitute milk or buttermilk to sour cream 1:1 generally but you can add a small amount of milk if you feel that your batter is too thick. 🙂

      • Bunnie says

        February 13, 2018 at 7:29 pm

        What about substituting whipping cream instead of sour cream. I have a recipe that calls for one cup of sour cream along with one cup of oil, since I don’t have sour cream and I don’t really like the homemade sour cream I’m hoping whipping cream will work. Really hard on the net to find the answer to my question lol
        Thank you😊

        • Kirsten says

          September 7, 2018 at 6:01 am

          How did your attempt at sub whipping cream go?

  2. elly says

    September 27, 2014 at 8:14 pm

    What do you think about the use of milk kefir in baking cake? The acidity might be higher than buttermilk and I make my own from full fat milk. How does it stand in this test?

  3. Melissa Carroll says

    September 28, 2014 at 6:00 pm

    Thank you for this valuable information! Very interesting!

  4. Denise says

    September 28, 2014 at 6:13 pm

    So you would use the sour cream to Replace the milk altogether? I have used milk and sour cream in a recipe. Better to use just one or the other? Thanks!

    • Summer Stone says

      October 11, 2014 at 3:00 pm

      You can use any combination that works well with your recipe. Sometimes I use just sour cream and other times I use a combination.

  5. Bella Grace says

    September 29, 2014 at 9:34 am

    This helped me out in a way I can’t explain. Thanks so much!!!!

  6. Dawn says

    April 29, 2016 at 2:16 am

    What is your experience using yogurt, replacing milk in a recipe? I tried it in a cake tonight. The batter and baked cake tasted amazing, but it had a very tender crumb. Not sure if it is going to work in a stacked cake. Oh and it was low fat yogurt vanilla flavor. It was all I had so I tried it

  7. anjuli says

    October 22, 2018 at 9:00 am

    Thank you for this post. If I wanted to substitute water for sour cream in a box cake (chocolate) would you suggest I go with 1:1 ratio water to sour cream? Or do you suggest I use milk instead? I’m not a baker hence, I am trying to figure out to hack a box cake. I’ll be using butter instead of oil as well. Thanks 🙂

  8. Ricky says

    January 24, 2020 at 3:46 am

    Thanks, that was really helpful & I am off to your other articles.

    Peace from Ricky

  9. Deborah Stinson says

    January 31, 2020 at 12:51 pm

    I used whole buttermilk to make red velvet cupcakes and they were so moist that I could not get them to stand up to frost. should I have used low fat buttermilk instead. I ended up throwing away the whole batch. Ugh!!

Trackbacks

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  2. Sour Cream Banana Bread Is Delectably Moist And Delicious - WELCOME TO DR ADAS BLOG says:
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