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The Puff Pastry Tart That Looks Fancier Than It Actually Is

A rustic puff pastry tart with caramelized onions, fresh fig, and goat cheese, built on a mustard barrier and a self-puffing scored border for a bakery-crisp base every time.

  • Total Time: 45 minutes (plus 30 minutes for caramelizing onions)
  • Yield: 4 1x

Ingredients

Scale
  • 1 sheet frozen puff pastry, thawed but cold
  • 2 tablespoons Dijon mustard
  • 2 large yellow onions, thinly sliced
  • 1 tablespoon olive oil
  • 1 tablespoon butter
  • 1 teaspoon sugar
  • Pinch of salt
  • 4 oz goat cheese, crumbled
  • 3–4 fresh figs, quartered
  • 1 egg, beaten (for egg wash)
  • 1 tablespoon fresh thyme leaves
  • 1 tablespoon honey, for drizzling
  • Flaky salt and cracked black pepper, to finish

Instructions

  1. Heat olive oil and butter in a skillet over medium-low heat. Add onions, sugar, and a pinch of salt, and cook slowly, stirring occasionally, for 25-30 minutes until deep golden and jammy. Cook off any excess liquid at the end so the onions are dry, not wet. Let cool.
  2. Preheat oven to 400°F (200°C) with a sheet pan inside to preheat as well. Line a second sheet pan with parchment.
  3. Roll the puff pastry out slightly on a floured surface to smooth the seams, then transfer to the parchment-lined pan. Using a paring knife, score a border about ¾ inch from the edge, cutting only partway through the dough — do not cut all the way through.
  4. Prick the interior (inside the scored line) all over with a fork. Brush the entire interior with Dijon mustard in a thin, even layer, staying inside the border.
  5. Scatter the cooled caramelized onions over the mustard layer, staying inside the border. Dot with crumbled goat cheese and tuck in the fig quarters, cut-side up.
  6. Brush the border with beaten egg wash. Chill the assembled tart in the fridge for 15 minutes.
  7. Slide the tart, still on its parchment, onto the preheated sheet pan and bake for 22-25 minutes, until the border is deep golden and well-puffed and the base is crisp.
  8. Remove from the oven, scatter with fresh thyme, drizzle with honey, and finish with flaky salt and cracked pepper. Slice and serve warm or at room temperature.

Notes

The Dijon barrier and scored border are the whole trick — once you’ve got them down, swap the topping freely: whipped feta and blistered tomatoes, brie and pear, or blue cheese and caramelized apple all work on the same base. Keep toppings dry and don’t overload the center, or the border won’t puff evenly. Assembled, unbaked tart can sit covered in the fridge up to 4 hours before baking.

  • Author: Ella Whitley
  • Prep Time: 20 minutes
  • Cook Time: 25 minutes
  • Method: Baking
  • Cuisine: French-inspired