01 - Preheat the oven to 400°F. Line a baking sheet with parchment paper.
02 - In a mixing bowl, combine cream cheese, granulated sugar, vanilla extract, and lemon zest. Beat until smooth and creamy.
03 - In a separate bowl, toss sliced strawberries with 1 tablespoon sugar and lemon juice. Let sit while preparing pastry.
04 - Roll out puff pastry on a lightly floured surface. Cut into 8 equal squares, approximately 4 inches each.
05 - Place squares on prepared baking sheet. Score a smaller square inside each piece, leaving a ½-inch border without cutting through dough.
06 - Spoon 1 tablespoon cream cheese mixture into center of each square, spreading within scored area. Top with strawberry slices.
07 - Whisk egg and milk in small bowl. Brush pastry edges lightly with egg wash using a pastry brush.
08 - Bake for 18-20 minutes until golden brown and puffed. Rotate baking sheet halfway through for even browning.
09 - Cool danishes for 10 minutes. Whisk powdered sugar, milk, and vanilla until smooth. Drizzle over cooled pastries.