01 - Preheat oven to 400°F and line a baking tray with parchment paper.
02 - In a small mixing bowl, blend cream cheese, granulated sugar, vanilla extract, and lemon zest until smooth and creamy. Set aside.
03 - In a separate bowl, gently toss diced strawberries with granulated sugar, lemon juice, and cornstarch until evenly coated. Set aside.
04 - Unroll the puff pastry and cut into 8 equal squares. Using a sharp knife, lightly score a 1/2-inch border around each square without cutting through the dough.
05 - Place 1 tablespoon of the cream cheese mixture in the center of each square and gently spread, keeping inside the border. Spoon 1 tablespoon of the strawberry mixture over the cream cheese layer.
06 - Brush the edges of the pastry squares with egg wash (beaten egg mixed with milk) to enhance browning.
07 - Bake for 18 to 22 minutes until the pastry is puffed and golden brown. Remove from oven and place on a wire rack to cool slightly.
08 - In a small bowl, whisk together powdered sugar, milk, and vanilla extract until smooth. Drizzle glaze over cooled pastries as desired.