• Preheat the Smart Oven to the appropriate temperature for baking.
• Prepare the pastry on a clean and floured surface. Roll it out with a rolling pin to make it slightly wider.
• Trim the edges of the pastry to form a rectangular shape, leaving the centre area for filling.
• Spread a layer of Nutella on the centre of the pastry.
• Place banana slices, cheese slices, and almonds on top of the Nutella.
• Fold the sides of the pastry over the filling, covering it completely.
• Grease the top of the pastry with oil to give it a golden and shiny appearance.
• Transfer the filled pastry to a baking sheet that has been lined with parchment paper or lightly greased.
• Place the baking sheet with the pastry into the preheated Smart Oven.
• Bake the pastry using the roast menu or at the recommended temperature for a pastry of this type.
• Once the pastry is baked and golden brown, remove it from the oven and allow it to cool.
• Cut the pastry into pieces according to your preference.
• Serve the delicious-filled pastry and enjoy!

Note: You can adjust the filling ingredients according to your taste and preference.