This asparagus and watercress tart is a delicious and refreshing dish that is perfect for spring. The tart is made with a flaky pastry crust filled with a creamy mixture of asparagus, watercress, and cheese. It is then baked until golden and served warm. The combination of the tender asparagus and peppery watercress creates a vibrant and flavorful filling that pairs perfectly with the buttery crust. This tart is a great option for a light lunch or as a side dish for a springtime brunch.