I used refrigerated croissant dough but puff pastry can also be used as well. A can of refrigerated croissant dough makes 8 croissants whiles a package of frozen puff pastry makes 12. Adjust recipe as needed.
Separate 2 cans (8 oz each) Refrigerated Crescent Dinner Rolls at perforations to make 16 triangles. Place 1 tablespoon of nutella on shortest side of each dough triangle. Top with a slice of banana and a slice of strawberry. Starting with shortest side of triangle, roll to opposite point enclosing the nutella, strawberry and banana; arrange in pan.
optional step: For a shiny crust on the croissant, combine 1 egg with 1 tablespoon water in a medium bowl. Brush the croissants before placing in the oven.
Bake 12-15 minutes or until golden brown and thoroughly baked. Remove from oven to cooling rack. Let stand 5 minutes before serving.