Dipping a measuring cup into flour compacts the flour, resulting in more flour in the cup compared to spooning it in, which keeps the flour light and airy. This difference in density leads to inaccurate measurements.
When you dip a measuring cup directly into a container of flour, the pressure forces the flour particles together, eliminating air pockets and packing the flour tightly. This compaction means you're fitting more flour by weight and volume into the same measuring cup.
On the other hand, spooning flour into the measuring cup gently fills the space without compressing the flour. The flour remains loose and airy, with more air pockets between the particles. This results in less flour by weight in the same volume.
The difference in measurement can be significant, potentially affecting the outcome of your recipe. Using the dipping method can add up to 25% more flour than intended, leading to dry, dense baked goods.
For accurate flour measurements, use a kitchen scale to weigh the flour according to the recipe's specifications. This eliminates variations caused by different measuring techniques and ensures consistent results.