I've noticed that whenever I put my aluminum cake pan and baking sheet in the dishwasher, it gets a chalky, grey residue that comes off on your hands. It concerns me that this isn't safe (I scrub it off by hand before using). Does anyone know what this film is, and why a dishwasher brings it out?
Amanda is a co-founder of Food52.asked over 4 years ago
Please enter a valid email address.
Well played. You deserve a cookie.
Thanks for signing up!
Connect with us to get more Food52!
Sign up for our useful, inspired emails and we'll give you everything you need to eat and live better—including recipes, how-tos, and exclusives and great gift ideas from our kitchen and home shop.