Religious experience or a trick of the mind (apophenia)?

"From seeing shapes in clouds to hearing Bing Crosby in a blizzard of static, we're all prone to finding things that aren't there. And there's a name for it: apophenia" Read the whole article thanks to the newspaper The Guardian here.
This photo shows a woman holding a 10-year-old grilled cheese sandwich that she says bears the image of the Virgin Mary.
Photograph: Joe Rimkus Jr/AP