Taste like chicken???

The winner of last week's Guess What? game is NHUNG! She is on a roll. She came closest by saying that it is used to look through the chicken eggs.

It's an X Rays Egg Tester. Also known as an egg candler, it was used for detecting embryonic development.

All this talk about chickens is making me hungry. For this week's game Guess What? this food item in the photo below is called?