A clever and delicious pastry made using an egg carton as a mold. This treat features flaky puff pastry filled with a sweet caramelized banana puree, fresh blueberries, and rich chocolate.
1. Peel and mash the bananas on a baking sheet.
2. Transfer the mashed bananas to a skillet over medium heat.
3. Squeeze lemon juice into the skillet, then add brown sugar and a splash of water.
4. Stir and cook the banana mixture until it thickens into a jam-like consistency.
5. Remove from heat and transfer the banana filling to a bowl to cool.
6. Cut an empty egg carton in half lengthwise.
7. Drape a sheet of puff pastry over the egg carton mold.
8. Use a whole egg to gently press the pastry into the depressions of the carton.
9. Spoon the cooled banana filling into the pastry wells.
10. Add fresh blueberries on top of the banana filling.
11. Place pieces of chocolate on the flat section of the pastry.
12. Whisk an egg and brush it around the edges of the pastry.
13. Place a second sheet of puff pastry on top and press gently to seal.
14. Transfer the pastry to a parchment-lined baking sheet and trim the excess dough.
15. Brush the top of the pastry with the egg wash.
16. Bake until golden brown and puffed.
17. Allow to cool slightly, then dust generously with powdered sugar.
18. Slice into individual portions and serve.
