Vermouth Cream of Mushroom Soup

This is cream of mushroom for adults. Two pounds of mushrooms get coaxed into giving up their water, then deepened with dry vermouth and a dozen dashes of aromatic bitters. The bitters are the unexpected move, lending an old-cocktail-bar complexity that you won’t find in any restaurant version.

Use a mix of mushroom varieties if you can. Button mushrooms alone work, but adding cremini or even a few dried porcinis pushes the soup into deeper, woodsier territory.

Don’t crowd the pot when cooking the mushrooms. Two pounds is a lot, and if your pot’s too small they’ll steam instead of brown. You want some color on the edges, not pale gray mush.

Vermouth, not white wine. The herbal botanicals in vermouth play off the bitters and round out the mushroom flavor in a way wine can’t. Dolin or Noilly Prat are easy supermarket finds.

The one-tablespoon flour ratio is small for a reason. This is a cream soup, not a gravy. Lean and silky beats thick and gluey every time.

Pro Tips

• Add the salt early so the mushrooms release water and concentrate flavor.
• Reserve a handful of sliced mushrooms, saute separately, and float on top for garnish.
• Add a splash of fresh lemon juice at the end to brighten the dairy.
• Use veal stock if you can find it. It gives a silkier body than beef.

Variations

• Stir in a tablespoon of fresh thyme leaves for herbal lift.
• Finish with a drizzle of truffle oil for a special-occasion bowl.
• Garnish with crispy shallots or fried sage for textural contrast.