- 2 puff pastry sheets (about 1 pound), thawed in the refrigerator.
- 1 heaping cup chocolate hazelnut spread
- 1/4 cup chopped hazelnuts
- 1 egg yolk
- confectioner's sugar for garnish
- 1/2 cup granulated sugar plus 1 teaspoon ground cinnamon, to dredge the extra pieces of puff pastry and to make sweet cinnamon twists
- dried fruit, chocolate chips, strawberry or raspberry slices