A flour blend is a mixture of different types of flours that are combined to create a specific type or variety of flour. This can include combining various grains such as wheat, rye, oats, and corn to make multi-grain flour, or using different varieties of wheat to produce bread flour or all-purpose flour. The blending process can also involve adding other ingredients like bran, germ, or malted barley to enhance the nutritional content or improve the baking properties of the flour. Overall, a flour blend is created to achieve a specific taste, texture, and functionality for various baked goods.