Easy Bake Uh-Oh

Mommy and Grandma got out two HUGE boxes of Mommy's old toys the other day. They were looking for things that we could play with. One thing that they found was Mommy's Easy Bake Oven. Mommy decided to take it apart and clean it up to see if it works. When she took it apart she found this...

What is it? It's brownie that got stuck on the bottom lightbulb - err, heating element over 25 years ago. Mommy called Aunt Debbie to see if she wanted the brownie, but she declined. I wonder why...