I first tried this in France on a whim, and it was so good I had to try and create it at home.
I am not much for measuring things, but I will give it a whirl.
Mushroom Cream Sauce:
16 oz fresh mushroom (chop if you like them smaller)
2-10 cloves of garlic chopped. (Yes I love garlic)
pinch Oregano
Butter (as much as you want to fry the mushrooms in)
Heavy Cream (also as much as you want) original recipe called for only 1/3 cup, but that is never enough.
Salt & Pepper to taste
Eggs:
1-3 Eggs
Saute your mushrooms in the butter and garlic until they are about dry, then add the heavy cream and spices. Let this simmer but not boil.
Poach/Fry/Sous vide your eggs to your liking.
Put some mushroom sauce in a bowl with the eggs and enjoy.
This is amazingly fast to make.