BOB ADELMAN (1930 - 2016) Andy Warhol in the silver - foil covered bathroom at his Factory photograph 1965 (printed later) archival pigment print, AP, signed paper size > 12 x 16 inches (westwoodgallery.com)
So, I waited to take it out of the oven before I posted this comment, and yes, water seeped into the foil even though I had 4 sheets of foil covering the bottom. (browneyedbaker.com)