The extra prep is worth the effort for this soup that’s special enough to serve guests. Garnish it with sliced cooked mushrooms and fresh herbs. Preparation Time: 30 minutes Cooking Time: 35 minutes Roasting Time: 20 minutes Serves 4 to 6 8 oz (250 g) each Ontario shiitake, button and cremini mushrooms 3 tbsp (45 mL) olive oil...