Romanian Blueberry Pastry (Plăcintă cu Afină)

Method

1. Preheat oven to 200°C (390°F).
2. In a bowl, mix blueberries, sugar, lemon juice, and vanilla extract.
3. Roll out the puff pastry and cut into circles.
4. Place a spoonful of blueberry mixture in the center of each circle.
5. Fold the pastry over and seal the edges with a fork.
6. Brush with egg wash (egg and milk mixed together).
7. Bake for 15-20 minutes until golden brown.