The phrase "flour blend" refers to a mixture of different types of flour. It combines two or more types of flours to create a specific texture, taste, or nutritional profile in recipes such as baking. Full definition
Use these fantastic, gluten free flour blends in place of the gluten filled versions grandma used to use to render your favorite dishes safe for everyone. (glutenfreeheaven.com)
I used the rice free GF flour blend you have listed on your flour sub page. (artofglutenfreebaking.com)
Add 1 teaspoon per cup of flour blend to make yeast bread, pizza dough or other baked items that call for yeast. (glutenfreeandmore.com)