Sticky Onion Tart

This sticky onion tart is a kind of savoury tarte tatin but isn’t so tricky to make. I used pre-made puff pastry, I wouldn’t really make the effort to make puff pastry unless it’s for baking. Find the most buttery puff pastry you can for the maximum flavour. I felt that the tart was burning in the oven so I just covered the tart with some foil. The recipe was from Jamie Oliver’s ‘Veg’ which I’ve already waxed lyrical about enough on this blog.

Serves 6 (as a starter)


  • 6 medium onions
  • 50g unsalted butter
  • 4 sprigs thyme
  • 4 fresh bay leaves
  • 2 tbsp brown sugar
  • 4 tbsp cider vinegar
  • 8 cloves garlic
  • 320g sheet puff pastry


1.) Preheat the oven to 220 degrees C

2.) Peel and finely chop the garlic and measure out 100ml water

3.) Peel and halve the onions

4.) Add the butter to an ovenproof frying pan and melt

5.) Strip the leaves from the thyme sprigs into the pan and add the bay leaves

6.) Add the sugar, vinegar and 100ml water

7.) Add the onions, flat half down, arrange the garlic between the onions

8.) Season with salt and pepper and turn the heat down to low

9.) Steam for 10 minutes then turn up the heat until the sauce starts to caramelise

10.) Cut the pastry into a square that will cover the majority of the pan. Slice the remaining pastry into two halves.

11.) Place the pastry over the onions and push into the sides with a wooden spoon. Place the other strips at both sides.

12.) Bake in the oven for 35 minutes (you might want to place a piece of foil over it)

13.) Take out the oven and carefully flip out the tart.

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