Caramelised onion and thyme tart

Caramelised onion and thyme tart
  • Serves icon Serves 4
  • Time icon 30 mins to prepare, 15 mins to bake, 30 mins to cool

This classic savoury tart recipe of caramelised onions, parmesan and fresh thyme just needs a simple green salad on the side to make a delicious dinner.

Nutrition: per serving

Calories
533kcals
Fat
35.1g (17.9g saturated)
Protein
11.5g
Carbohydrates
42.2g (17.9g sugars)
Fibre
5.8g
Salt
1.4g
Calories
533kcals
Fat
35.1g (17.9g saturated)
Protein
11.5g
Carbohydrates
42.2g (17.9g sugars)
Fibre
5.8g
Salt
1.4g

Ingredients

  • 85g butter
  • 1kg sliced onions
  • 3tbsp white wine vinegar
  • 1 tbsp soft brown sugar
  • 1 tbsp Dijon mustard
  • 1 tbsp chopped fresh thyme leaves
  • 16cm pastry case
  • 4 tbsp grated parmesan
  • A few fresh thyme sprigs

Method

  1. Melt the butter in a large saucepan, then add the onions and stir to coat. Season, then cover and cook over a very low heat for 1 hour, stirring occasionally.
  2. Preheat the oven to 180°C/fan160°C/gas 4.
  3. When the onions are very soft, add the white wine vinegar, sugar and mustard.
  4. Cook, uncovered, for 20 minutes more or until the vinegar has evaporated. Stir through the thyme leaves, then season. Spoon the onion mixture into a 16cm blind-baked pastry case, then scatter over the parmesan and a few fresh thyme sprigs.
  5. Bake in the oven for 10-15 minutes until golden. Leave the tart to cool for 30 minutes, then serve.

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