01 -
Preheat oven to 400°F. Line a baking sheet with parchment paper or a silpat.
02 -
In a small bowl, whisk together egg and water. Set aside.
03 -
In a food processor or stand mixer, combine almond paste, sugar, and vanilla extract until well combined.
04 -
Unfold pastry sheet on the prepared baking sheet. Gently roll it with a rolling pin to make it slightly thinner and larger.
05 -
Cut slits 1 inch apart along the two long sides of the pastry, leaving 1/2 inch from the center for the filling. Arrange the almond paste mixture down the center of the pastry.
06 -
Starting at one end, fold the pastry strips over the almond mixture on a diagonal, alternating sides. Brush the pastry lightly with the egg wash and sprinkle with sliced almonds.
07 -
Bake for 10 minutes, then lower the heat to 375°F and continue baking for 17 to 20 minutes, or until golden brown. Let cool on the pan for 10 minutes, then slice and serve.