b'WHAT YOU NEED TO DO:Add the carrot, onion and celery. Cook for 2 minutes and then add the shiitake or white button mushrooms, garlic, cloves and bay leaves, and cook for an additional 2 minutes, stirring well. Reduce the heat to medium-high and deglaze the pan with the white wine, cooking and stirring well for 3 to 5 minutes, until the wine is reduced by half.Add the sauted mixture, along with the tomato sauce, stock and porcini mushrooms, to the casserole and cover loosely with heavy-duty foil. Put in the preheated oven, reduce the heat to 350 degrees, and cook for 1 hours.'