Make the roux by mashing the flour and butter together in a bowl until smooth and reserve.
Dice the carrot, onion, celery. Finely chop the shallot or dice ¼ inch. Heat one tablespoon of the butter in a 3 quart sauce pot.
Add the vegetables and cook on medium heat, stirring occasionally until the onion is translucent. Take your time and really cook them, it should take about 5 minutes.
Add the chicken of the woods and cook until tender. You make need to cover the pot and add a splash of liquid to steam them. You can also use frozen mushrooms.
Deglaze the pan with the wine, the add the stock and bay leaf, cover and bring to a simmer. Cook for 15 minutes, or until the vegetables are tender.
Add the kneaded roux and mash it against the side of the pot with a spoon, stirring it into the soup until it dissolves. After the soup has visibly thickened, add the cream and turn the heat to as low as possible.
Meanwhile, cook the dumplings in boiling salted water and add to the soup.
Add a few scrapes of lemon zest to taste, along with the juice. Only add enough so you can barely taste it. A few teaspoons of juice is fine.
Add the herbs, stir, double check the seasoning again until it tastes great, and serve. Like most soups, it will taste better the next day.
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Notes
Leek can be substituted for the onion and shallot.
Potatoes can be substituted for the gnocchi if you have to.
Lemon thyme would be very good here.
If you have fresh chives they’re also a great garnish.
If you have a lot of chicken of the woods, saute chicken of the woods and put a little pile of them on top to finish.