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Flaky Ham and Gruyere Puff Pastry Stacks with Thyme

Close-up of golden brown ham cheese puff pastry stacks stacked on a white plate, topped with melted cheese and herbs.

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Make these easy puff pastry appetizers for a quick snack or party food. These individual ham and cheese pastry squares bake up golden brown and flaky.

Ingredients

Scale
  • 1 sheet frozen puff pastry, thawed
  • 4 ounces thinly sliced deli ham, cut into small pieces
  • 4 ounces Gruyere cheese, shredded
  • 1 large egg, beaten (for egg wash)
  • 1 teaspoon fresh thyme leaves
  • 1 tablespoon unsalted butter, melted
  • Pinch of salt

Instructions

  1. Preheat your oven to 400°F (200°C). Line a baking sheet with parchment paper.
  2. Gently unfold the thawed puff pastry sheet onto a lightly floured surface. Roll it out slightly to smooth any creases.
  3. Cut the pastry sheet into 9 equal squares. Place these squares on the prepared baking sheet.
  4. In a small bowl, mix the cut ham pieces, shredded Gruyere cheese, and fresh thyme leaves.
  5. Divide the ham and cheese mixture evenly among the 9 pastry squares, keeping the filling slightly away from the edges.
  6. Brush the edges of each square lightly with the beaten egg wash. This helps seal the edges and promotes browning.
  7. Using a fork, gently press down on the edges of each square to seal the filling inside and create a border. You can also lightly score the top of each square twice with a sharp knife for decoration, being careful not to cut all the way through.
  8. Brush the tops of the filled squares with the remaining egg wash.
  9. Bake for 15 to 18 minutes, or until the puff pastry is golden brown and fully puffed.
  10. Remove from the oven. Immediately brush the tops lightly with melted butter and sprinkle with a pinch of salt.
  11. Let the ham and cheese pastry bake cool slightly on the sheet before serving.

Notes

  • For the flakiest pastry, make sure your puff pastry is cold when it goes into the oven.
  • You can substitute Gruyere with sharp cheddar or Swiss cheese.
  • Prepare these ahead of time by assembling them completely, covering them, and refrigerating for up to 4 hours before baking. Add 2-3 minutes to the bake time if baking directly from the refrigerator.

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