Preheat your oven to 425°
Line 2 baking sheets with parchment paper and set aside.
Beat egg in a large bowl. Add sausage, breadcrumbs, garlic powder, onion powder, parsley and must. Mix well until thoroughly combined.
Unwrap first sheet of puff pastry. Place on a floured surface.
Cut along the fold lines to create three strips of dough. Using rolling pin, gently roll out a little. You will end up with 6 strips of dough.
Divide sausage mixture into 6 equal parts.
Make each section of sausage into a roll and place down the center of the puff pastry strips.
Fold pastry over and press seam to seal.
Cut each roll into 6 equal pieces, about 2 inches each
Place on the prepared baking sheet and brush with egg wash.
Repeat with each strip of pastry and sausage.
Bake for 15-20 minutes, until puffed and golden brown.