How to Substitute Soy Flour for All Purpose Flour

Written by jaimie zinski
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According to the Soy Foods Association of America, soy flour is derived from soy beans and can add protein and a moist texture to a variety of recipes, from cookies to breads. Soy flour can be used as a substitute for regular, all-purpose flour without dramatically changing the taste. Soy flour should be stored in an airtight container and can be kept for up to one year.

Skill level:


  1. 1

    Measure out 3/4 cup of soy flour for every 1 cup of flour called for in the recipe. For instance, a recipe that calls for 2 cups all purpose flour would have 1 1/2 half cups of soy flour added to it.

  2. 2

    Stir up the soy flour before placing it into the recipe. This will help prevent the flour from sticking, which can occur when using soy flour.

  3. 3

    Complete the recipe as written. No other ingredients must be added with the soy flour in order to finish the dish.

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