Preheat oven to 400ยบ F. Line a baking tray with parchment paper.
Add the chopped chives to the softened cream cheese and mix to combine.
Unfold puff pastry dough onto a lightly floured surface and roll to 10 x 12 inches then cut in half lengthwise.
Spread the cream cheese mixture lengthwise over half of each puff pastry sheet then top with three sausage links laid lengthwise. Finally, sprinkle cheddar cheese over the sausage.
Cut ten 2-inch slits down the opposite sides of each pastry sheet. Then fold the pastry over the filling ensuring the seam is sealed under the roll.
Brush each sausage roll with the beaten egg and sprinkle with the everything bagel seasoning then bake 20-25 minutes, or until the pastry is golden and crisp.
Slice, serve and enjoy!