Soy flour is an alternative flour made by roasting soybeans. … This flour is used to add high-quality protein, because of its high lysine content. It also adds a slightly nutty flavour and acts as a natural dough enhancer. There are two types of soy flour that are available in the market: full-fat and defatted.

What does soy flour do in baking?

In addition to contributing to the nutrition content of baked goods by adding protein, adding soy flour offers other functional advantages. … Soy flour also serves to increase water absorption so that breads don’t get stale as quickly.

Can I substitute soy flour for all-purpose flour?

Soy Flour as a Substitute About one-quarter of the typical all-purpose flour detailed in the yeastless recipe may be replaced with soy flour. Replace regular flour with soy flour while baking breads or baked goods, such as muffins, that require yeast to rise in their recipes.