Pappardelle with mushrooms is a classic way to enjoy the rich earthy flavor of wild mushrooms. These meaty mushrooms perfume a light tomato sauce that coats the traditional wide pasta served in Tuscany. Porcini mushrooms (Boletus edulis) are ideal for this recipe, and the first choice for making this dish. But because they are difficult to find, we prepared our Tuscan-inspired sauce using a combination of portobello, baby bella, and other mushrooms. To enrich their