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Asparagus and Gruyere Tart with Puff Pastry

A close-up slice of Asparagus and Gruyere Tart featuring bright green asparagus spears on a cheesy base with a flaky, golden crust.

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Make an elegant, low-effort appetizer using store-bought puff pastry, fresh asparagus, and sharp Gruyere cheese. This tart looks impressive for any gathering.

Ingredients

Scale
  • 1 sheet frozen puff pastry, thawed
  • 1 tablespoon olive oil
  • 1 bunch fresh asparagus, tough ends snapped off
  • 4 ounces Gruyere cheese, shredded
  • 1 large egg, beaten (for egg wash)
  • 1 teaspoon Dijon mustard
  • Pinch of salt
  • Pinch of black pepper

Instructions

  1. Preheat your oven to 400 degrees Fahrenheit (200 degrees Celsius). Line a baking sheet with parchment paper.
  2. Unroll the thawed puff pastry sheet onto the prepared baking sheet.
  3. Using a sharp knife, lightly score a border about 1 inch from the edge of the pastry. Do not cut all the way through. This creates the crust edge.
  4. In the center area inside the score marks, spread the Dijon mustard evenly over the pastry.
  5. Sprinkle the shredded Gruyere cheese over the mustard layer.
  6. Toss the trimmed asparagus spears with the olive oil, salt, and pepper. Arrange the asparagus spears neatly in a single layer over the cheese, often lining them up lengthwise for a geometric look.
  7. Brush the scored edges of the pastry with the beaten egg wash.
  8. Bake for 20 to 25 minutes, or until the pastry is golden brown and puffed, and the asparagus is tender-crisp.
  9. Remove from the oven and let cool slightly before slicing and serving.

Notes

  • For extra flavor, you can lightly brush the asparagus with melted butter after baking.
  • If you want a richer color on the crust, apply a second coat of egg wash halfway through baking.
  • This recipe works well as an easy entertaining option for spring appetizer ideas.

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