650780 Mon Sep 07 23:29:17 -0700 2009 0 31 Home Cooking 0 5012568 Aluminum or not? What is the reason for using baking powder with aluminum? I have some impression that aside from health issues the aluminum adds to some cookies and detracts from others. Perhaps a crispness issue? Mon Sep 07 23:29:19 -0700 2009 1103887 Choconutty