Golden, glossy and savoury, this roast onion tarte Tatin shines a spotlight on the humble allium. Layered with sweet, slow-cooked onions and encased in store-bought puff pastry, it’s a clever twist on the classic French dessert — flipped, savoury and reimagined.
The beauty lies in its simplicity: no pastry skills required, just a cast-iron frying pan, a sheet of puff, and a little patience as the onions caramelise to a rich, jammy result. It’s an onion tart that treads the…

