Preheat Breakfast Sandwich Maker until green READY light comes on. Spread chocolate hazelnut spread over bottom half of croissant. Lift cover, top ring and cooking plate.
Place bottom half of croissant, chocolate-side up in bottom ring of Breakfast Sandwich Maker.
Lower cooking plate and top ring. Place top half of croissant on cooking plate.
Close cover. Cook 2 to 3 minutes, just until chocolate and croissant are warm.
Slide out cooking plate by rotating handle clockwise. Lift cover and rings; carefully remove sandwich with plastic spatula.