That's an interesting theory, Marilynn! To us, it makes sense that it would distribute the weight evenly throughout the pan. We don't know how much it affects the cupcakes baking but it certainly doesn't seem like a step that would hurt! Annabelle@KAF
May 15, 2019 at 3:39pm
In reply to My mother taught me to fill empty muffin cups with about 1/3 c… by Marilynn Price… (not verified)