Unknown fungi with cap and stem

Unknown fungi with cap and stem

Observation - Unknown fungi with cap and stem. Description: Cap is 7cm across and stem is 3cm which is more bulbous towards the base. Gills are fairly deep. has a buttery look to them, but it is wet! Any help for Id is much appreciated!

Cap is 7cm across and stem is 3cm which is more bulbous towards the base. Gills are fairly deep. has a buttery look to them, but it is wet!
Any help for Id is much appreciated!