How to change plain flour to cake flour

Written by morgan o'connor
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How to change plain flour to cake flour
Convert plain flour into a plain flour substitute before making cakes. (cream cake and fruit cake image by Maria Brzostowska from

While you can make cakes with regular flour, using plain flour instead gives the final product a lighter, more spongelike texture. This is due to the lower protein content of plain flour. It contains only 6% to 8% gluten as opposed to regular flour's 10% to 12% gluten. If your supermarket does not carrysell plain flour, or if you only make cakes occasionally, you can make the plain flour yourself.

Things you need

  • 112 g (7/8 cup) all-purpose white flour
  • 2 tbsp cornflour
  • Bowl
  • Fork
  • Flour sifter

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  1. 1

    Put the flour and cornflour into a bowl. Mix well with a fork to blend.

  2. 2

    Pour the flour and cornflour mixture into a flour sifter. Sift the mixture. This will help blend the two ingredients together thoroughly.

  3. 3

    Use the mixture as if it were plain flour. You do not need to make any other modifications or substitutions.

Tips and warnings

  • This will make 128 g (1 cup) of plain flour. If you want to make more or less, scale the all-purpose flour and cornflour accordingly.

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