01 -
Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 -
On a lightly floured surface, roll out the puff pastry to smooth any creases. Transfer to the prepared baking sheet.
03 -
In a skillet over medium heat, cook diced pancetta until crisp. Transfer to a plate lined with paper towels to drain.
04 -
Spread cranberry sauce evenly over the pastry, leaving a 1-inch border along the edges.
05 -
Arrange sliced Brie evenly over the cranberry layer. Sprinkle pancetta and thyme on top. Season with salt and black pepper.
06 -
Fold pastry edges over the filling to create a rustic border. Brush the border with beaten egg.
07 -
Bake for 20 to 25 minutes, or until pastry is golden and flaky.