Preheat oven to (190°C) and line a baking sheet with parchment paper.

In a bowl mix chicken,chopped onion, BBQ sauce,mozzarella cheese and salt

Unfold puff pastry and use a rolling pin to roll it out a bit to make it wider.Use a knife, pizza cutter or pastry cutter to cut thin strips all the way up to 2/3 of the length of the pastry

Spread  pizza sauce over the remaining long uncut dough, then put the chicken filling.

Separate the dough strips a bit and start folding the dough with the filling all over the strips.

Carefully transfer the log to the prepared baking sheet, form into a circle and seal the edges

Brush the top of the ring with beaten egg

Bake for about 25 minutes until golden brown.

Let it cool slightly before serving.