Porcini Mushroom Soup Recipe

Ingredients

• 3/4 ounces dried porcini mushrooms (1 cup)
• 6 cups tepid water plus 2 cups hot water, divided
• 1 medium onion, finely chopped
• 1/2 stick unsalted butter
• 2 celery ribs, finely chopped
• 1 medium carrot, finely chopped
• 3 garlic cloves, finely chopped
• 1 1/2 pounds white mushrooms, sliced or quartered
• 1 (15-ounce) can diced tomatoes, drained
• 2 tablespoons finely chopped flat-leaf parsley
• 2 tablespoons finely chopped dill