Place thawed puff pastry on a baking sheet lined with parchment paper.
Pinch edges to form a crust.
Top with sliced brie and berries.
In a small bowl, beat egg and water; brush on edges of puff pastry.
Bake at 400 degrees for 20 minutes or until edges are golden brown and cheese begins to bubble.
Drizzle with honey balsamic and serve immediately.