Poached Egg Fungus
This fungus is white, with a yellowish centre, and is a little bit see through, just like a poached egg. It grows out of the side of tree trunks and branches. The Poached Egg Fungus prefers to grow on beech trees.
Poached Egg Fungus

It can be found in many parts of Britain. Unlike a poached egg, it is poisonous, so you should never eat it.