Rinse the meat and chop it in bite size pieces.
Peel the mushrooms, rinse and slice them.
Chop the fresh sage leaves.
Heat the olive oil in a non-stick pan.
Saute the mushrooms for 4-5 minutes, until they begin to soften and get juicy.
Add the beef and cook for 3-4 minutes more until no longer red on any side.
Season well with salt and pepper.
Add the sage and cook 1 minute more.
Stir in the heavy cream and cook for 60 seconds.
Remove from heat, garnish with sage leaves and a dollop of heavy cream and serve.