Mushroom Soup Ingredients: 3-4 1/2-inch slices of sourdough bread (6 ounces) 4 tablespoons unsalted butter 1 pound button mushrooms, coarsely chopped 1 pound baby bella mushroom, coarsely chopped 3 large garlic cloves, minced Salt and freshly ground white pepper 6 cups vegetable broth or water 3/4 cup heavy cream Preparation: Preheat the oven to