Melt butter in a saute pan over low heat. Add garlic and chopped onion.Dont brown them

Season with salt and pepper

Add the mushrooms, cook 5 minutes until slightly softened.Pour in cream and heat slowly

If ur a bit adventurous or want to add some strong flavor add white wine

When the sauce has reached a velvety smooth consistency, remove from stove

Serve with ur desired meat or add pasta to it...Enjoy!