01 -
Preheat the oven to 350°F (177°C). Unwrap the thawed puff pastry sheets and place them on a clean, lightly floured surface. Gently roll each sheet to slightly enlarge, ensuring uniform thickness. Avoid over-thinning.
02 -
Evenly spread Nutella hazelnut spread over the entire surface of one pastry sheet, reaching all corners and edges.
03 -
Place the second sheet of pastry over the hazelnut-covered sheet. Align the edges and press gently to seal the layers together.
04 -
Using a pizza cutter or sharp knife, cut the layered pastry into 1/2 inch (about 1.25 cm) strips. Gently twist each strip and coil into a swirl, then transfer to a parchment-lined baking sheet.
05 -
Crack the eggs into a small bowl and whisk thoroughly. Brush the top of each pastry swirl with the egg wash. Bake for 10 to 15 minutes, or until golden brown and crisp.
06 -
Allow pastries to cool briefly, then dust generously with powdered sugar. Serve while warm for optimal texture and flavor.