Preheat the air fryer: Set to 325°F (165°C). If your air fryer needs time to come to temperature, let it warm while you prep.

Prep the basket: Lightly spray the basket with nonstick spray or line it with an air-fryer-safe parchment round to prevent sticking.

Open and separate the dough: Unroll the crescent dough and separate it into 8 triangles along the perforations.

Add the filling: Place about 1 to 2 teaspoons of Nutella on the wide end of each triangle. Don’t overfill—too much will leak out.

Optional extras: Add a thin slice of banana or strawberry, a few mini chips, or a pinch of chopped hazelnuts on top of the Nutella.

Roll them up: Starting at the wide end, roll each triangle toward the point. Tuck in the sides slightly to keep the filling inside, and curve the ends into a crescent shape.

Egg wash: Beat the egg with 1 tablespoon of water. Brush the tops of the rolls lightly. This helps them brown beautifully.

Air fry in batches: Place 4 rolls in the basket, leaving space between them. Cook for 6 to 8 minutes, or until puffed and golden brown. Cooking time varies by air fryer model.

Cool briefly: Let the rolls rest for 2 to 3 minutes after cooking. The filling will be very hot and sets as it cools.

Finish and serve: Dust with powdered sugar or drizzle with melted chocolate. Serve warm for the best texture and flavor.