Resting Batters and Doughs Has Multiple Benefits
You may notice a sandy texture in quick-cooking gluten-free baked goods that you don’t notice in those with longer baking times. We tested lots of theories on how to get rid of this grit (grinding the flours further in a food processor, soaking them in water, heating them up before making the batter), but nothing worked well. Then, almost by accident, we found that letting batters sit, covered, for 30 minutes before baking made all the difference. It simply gave the flours and starches time to absorb the liquid and soften before baking. It also helped batters become thicker and doughs to firm up so that they were less sticky. Just look at the dramatic difference this made in our recipe for Whole-Grain Pancakes.