How to Soften Butter in a Jiffy...

I found this nifty little trick over on Be Different Act Normal's blog and wanted to share. I always wondered why my cookies end up flat? Now I know it's because I get in a hurry and melt my butter in the microwave and than cream the sugar with it. She suggests...
"You put the butter in between to sheets of wax paper and roll it flat like you would a pie crust. You then peel it off the wax paper and put it in the bowl to cream. For the best results, you have to have softened butter. Creaming the butter and the sugar is actually a really important step. You want the sugar to be able to punch a million little holes into the butter. These air pockets help the cookie rise and make them light. Her obsession with Good Eats is where she got that lovely piece of information and it has served her well."