Upside Down Puff Pastry Tarts - With Onion
Upside down puff pastry tarts made with red onion, balsamic glaze and fresh thyme.
Ingredients
- 1 sheet puff pastry rectangular
- 5 small red onions sliced into ½ cm rounds
- 1½ tablespoons olive oil , divided
- 1½ tablespoons balsamic glaze divided
- 9 fresh thyme sprigs
- salt to taste
Instructions
- Preheat the oven to 180°C / 350°F fan assisted and line a baking tray with parchment paper.
- Cut the puff pastry sheet into 8 even squares.
- For each tart, add ½ teaspoon olive oil to the parchment, followed by ½ teaspoon balsamic glaze, a pinch of salt, and a small sprig of thyme.
- Arrange red onion slices on top, slightly overlapping, using about 2 to 3 slices per tart. If using bigger onions, use only 2 or 1 thicker one.
- Cover each onion stack with puff pastry. Press gently, seal the edges with a fork, and cut two shallow slits on top.
- Bake for 20-25 minutes, until deeply golden and fully puffed.
- Flip immediately while hot and serve.
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