This pappardelle pasta with rosemary portobello mushroom sauce is a hearty and flavorful dish that is perfect for a cozy dinner. The wide and flat pappardelle noodles are cooked until al dente and then tossed in a rich and creamy sauce made with sautéed portobello mushrooms, garlic, and fresh rosemary. The earthy flavors of the mushrooms and the aromatic rosemary create a delicious combination that will satisfy your taste buds. Serve this pasta dish with a sprinkle of grated Parmesan cheese and a side of crusty bread for a complete meal.