Preheat oven to 375°F and line a baking sheet with parchment paper.
Arrange puff pastry triangles in a wreath shape around a bowl.
Add cubes of brie, cranberry sauce, nuts, and rosemary.
Fold triangles over filling and remove bowl.
Brush with egg wash and bake 20–25 minutes until golden.
Garnish with rosemary, cranberries, and powdered sugar.
