Grab your puff pastry and lay out on a flat surface so it is nice and flat
Smear the puff pastry with ketchup and mustard, spread the fried onions, cucumbers and cheese over the pastry, then place the sausages on two of the edges
Roll up and cut into pieces as desired, brush with egg, sprinkle with sesame seeds and air fry at 180°C (355°F) for 15 minutes until golden brown.
