01 -
Thaw puff pastry 15-20 minutes. Preheat oven to 400°F and line baking sheet with parchment.
02 -
Beat egg with water until well combined.
03 -
Toss sliced peaches with sugar, salt, cinnamon, and cornstarch until evenly coated.
04 -
Place pastry on baking sheet. Arrange peaches in 3 tight rows leaving 1-inch border. Top with blueberries. Brush exposed pastry with egg wash.
05 -
Bake 16-18 minutes, rotating once, until crust is golden and fruit is tender.
06 -
Whisk confectioners' sugar, vanilla, and cream until smooth, adjusting consistency as needed.
07 -
Drizzle with glaze just before serving. Best served warm.