This Puff Pastry Mushroom Tart with Herbed Cashew Cheese is a delicious and elegant appetizer or main course. The flaky puff pastry is topped with a creamy and flavorful herbed cashew cheese, sautéed mushrooms, and fresh herbs. The combination of the buttery pastry, savory mushrooms, and tangy cheese creates a perfect balance of flavors. Serve this tart as a show-stopping dish at your next dinner party or enjoy it as a light lunch with a side salad.