INGREDIENTS
16 oz
white or brown mushrooms, sliced
5 tbsp
butter, separated
1/2
white onion, minced
3 tbsp
all-purpose flour
4
to 5 cups chicken stock
1 tsp
dried parsley
1
bay leaf
Thyme
1/4 tsp
salt
(Optional) 4 egg yolks
1/4 cup
heavy cream
(Optional) parsley or croutons for garnish