This mushroom and Gruyere tart is a savory puff pastry recipe that is perfect for a light lunch or dinner. The puff pastry is topped with a mixture of sautéed mushrooms, onions, and garlic, and then sprinkled with Gruyere cheese. The tart is baked until golden brown and crispy, and can be served hot or cold. It is a delicious and easy way to enjoy the flavors of mushrooms and cheese.
