MFP; 2 servings
If you cut brie, it will melt out of pastry. Cook in baking dish lined with parchment.
82 g Puff pastry (10.5 x 3.4" for 82 g; 2 servings. About 2.3 g/sq in; so ~36-37 sq in)
34g; 2 tbsp Fruit preserves
4 oz (1/2) Brie cheese
1/2 egg + 1 teaspoon water (butter, heavy cream, milk, or any fat are substitutes)
Bake at 375 for around 20 mins