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The Hairy Bikers' red onion and beetroot tarte tatin

The Hairy Bikers / 31 October 2019

This simple one pan vegetarian red onion and beetroot tarte tatin with goat's cheese is extracted from The Hairy Bikers' book One Pot Wonders.

Red onion and beetroot tart
Hairy Bikers' red onion and beetroot tart

Cooking time

35 minutes




  • 1 x 320g all-butter puff pastry sheet
  • 30g butter
  • 2 red onions, sliced into thin wedges
  • 1 tbsp light soft brown sugar
  • 1 tbsp sherry vinegar
  • Large thyme sprig, leaves only
  • 400g cooked beetroots, cut into wedges (vac-packed are fine)
  • Salt and black pepper

To serve

  • Thyme leaves
  • A few slices of goats’ cheese (optional)


Who says a tarte tatin is just for pudding? With their rich sweet flavours, beets and red onions make good partners and they’re lovely in a buttery tarte tatin – or upside down tart if you prefer. We use those packs of cooked beetroot which makes this little treat very easy to prepare.

Preheat the oven to 200°C/Fan 180°C/Gas 6. Take the sheet of pastry and cut it to fit an ovenproof or cast-iron frying pan with a diameter of about 20cm.

The pastry should be the size of the edges, rather than the base, and larger rather than smaller. Chill the pastry until you are ready to cook the tarte tatin.

Heat the butter in the pan. When it has melted, add the red onions and cook over a medium to low heat until they have started to soften. Turn up the heat a little and add the sugar and vinegar. Stir to dissolve the sugar – a caramel-like sauce will form around the onions.

Sprinkle in the thyme, then add the wedges of beetroot. Season with plenty of salt and pepper, then stir to coat the beetroots with the buttery sauce. Make sure the beetroots are spread evenly across the pan in a single layer, then turn off the heat. Leave to cool to room temperature.

Cover the onions and beetroots with the pastry, tucking in the edges if it is a little big. Bake for 20–25 minutes until the pastry is puffed up. Remove the tart from the oven and leave to stand for 10 minutes, then invert it on to a large plate.

Sprinkle with more thyme leaves, cut into wedges, and add a slice of cheese to each slice, if using.

Hairy Bikers One Pot Wonders

The Hairy Bikers’ One Pot Wonders by Si King and Dave Myers is published by Seven Dials in hardback at £22, photography by Andrew Hayes-Watkins

For more yummy recipe ideas from Si and Dave visit the Hairy Bikers and Hairy Dieters recipe hub


The opinions expressed are those of the author and are not held by Saga unless specifically stated. The material is for general information only and does not constitute investment, tax, legal, medical or other form of advice. You should not rely on this information to make (or refrain from making) any decisions. Always obtain independent, professional advice for your own particular situation.