Step 1: Spread the caramelized onions evenly over the puff pastry, leaving a small border around the edges.
Step 2: Sprinkle the grated Gruyère cheese over the onions.
5. Bake the Tart:
Step 1: Bake the tart in the preheated oven for 15-20 minutes, or until the pastry is golden and crispy.
Step 2: Remove the tart from the oven and let it cool slightly.
6. Garnish and Serve:
Step 1: Sprinkle fresh thyme leaves over the tart for added flavor.
Step 2: Cut the tart into slices and serve warm.
Tips for Best Results
Even Slicing: Ensure the onions are evenly sliced for uniform caramelization.
Patience: Caramelizing onions takes time, so be patient and let them cook slowly to bring out their natural sweetness.
Cheese Variation: Feel free to experiment with different cheeses, such as feta or cheddar, to suit your taste.
Conclusion
This caramelized onion tart is a perfect way to celebrate the weekend and enjoy the simple delights of onions. With its rich, sweet flavor and crispy puff pastry, this dish is sure to become a favorite. Enjoy this delicious tart as a snack, appetizer, or even a main course, and relish the joy of cooking with onions.