Hot Dog Pastry Roll

1. Pan fry the hot dogs.

2. Spread Dijon mustard on the hot dogs.

3. Cut and peel the onion.

4. Slice the onion.

5. Melt the butter on a pan.

6. Add the onions to the melted butter, and fry them until golden brown.

7. Unroll the puff pastry.

8. Add the caramelized onions on the puff pastry sheet.

9. Put the hot dogs with Dijon mustard on top of the onions.

10. Roll the puff pastry.

11. Wrap the rolled puff pastry with the filling in plastic wrap.

12. Whisk an egg.

13. Brush the egg wash on the puff pastry.

14. Cut a few shallow lines on the puff pastry.

15. Add salt and pepper.

16. Bake at 400F for 20min.

17. Cut the puff pastry.

18. Add ketchup and mustard.