Ingredients

3 slice of sourdough bread

4 tbsp. unsalted butter

1 1/2 lb. white mushrooms

2 portobello mushrooms — stems discarded

2 large garlic cloves

Salt and freshly ground white pepper

6 c. vegetable broth or water

3/4 c. heavy cream

12 Dill sprigs

Preparation

Step 1Preheat the oven to 300°. Bake the bread slices on a baking sheet for about 1 hour and 40 minutes, until deeply browned.Step 2In a pot, melt the butter. Add the mushrooms and the garlic; season with salt and pepper. Cover and cook over moderate heat, until the mushrooms are softened, 5 minutes. Add the broth and 1/2 cup of the cream; bring to a boil. Cover and simmer until the mushrooms are tender, 10 minutes.Step 3Add the toasted bread to the soup; simmer until softened, 5 minutes. Working in batches, puree the soup in a food processor. Return the soup to the pot, season with salt and pepper and keep warm.Step 4In a saucepan, bring the remaining 1/4 cup of cream to a boil. Remove from the heat; whisk until frothy. Ladle the soup into bowls, top with the frothed cream, garnish with the dill and portobello gills and serve.