Caramelized Onion Tart
⏱ 1 hour
🍽 6
A savory tart with deeply caramelized onions and a flaky pastry base, balanced with tangy cheese.
Slow-cook the onions until golden and sweet.
Ingredients
- 1 sheet puff pastry
- 4 large onions
- 2 tbsp butter
- 100 g cheese
- fresh thyme
- salt & pepper