Snacks French

Caramelised Onion Tartlets

Bite-sized puff pastry tartlets topped with sweet, jammy onions. The tiers climb from shop pastry and onion chutney to all-butter pastry with slow-cooked balsamic onions, goat's cheese and thyme.

Serves4
Time1 hr
Cost / serving£1.35
Vegetarian Nut-free

Make it your way

Pick a tier — the ingredients, method and cost update instantly.

Better version

Home-caramelised onions on puff pastry with cheddar and thyme.

Per serving£1.35
Total cost£5.40
Time1 hr
Servings

Ingredients for 4

  • 320 g ready-rolled puff pastry
  • 1 egg , beaten, for glazing
  • salt and pepper , to taste
  • Onions
  • 3 onions , thinly sliced
  • 30 g butter
  • 1 tbsp soft brown sugar
  • 1 tbsp balsamic vinegar
  • Topping
  • 80 g mature cheddar , grated
  • 4 thyme sprigs , leaves picked

Method

  1. Melt the butter and cook the sliced onions gently for 20 to 25 minutes until soft and golden.
  2. Stir in the sugar and balsamic and cook for 5 more minutes until jammy, then season and cool.
  3. Heat the oven to 200C. Cut the pastry into 12 squares and score a border on each.
  4. Spoon the onions inside the borders, scatter with cheddar and thyme leaves.
  5. Brush the edges with egg and bake for 18 to 20 minutes until golden and crisp.
  6. Serve warm.

The three ways, side by side

Budget
£0.73 / serving · 28 min

Shop puff pastry squares topped with jarred onion chutney.

Better
£1.35 / serving · 1 hr

Home-caramelised onions on puff pastry with cheddar and thyme.

Ultimate
£2.63 / serving · 1 hr 30 min

All-butter pastry, slow balsamic onions, goat's cheese and honey-thyme glaze.