01 -
Preheat the oven to 375°F (190°C).
02 -
Heat olive oil in a skillet over medium heat, add sliced red onion and cook for 3 to 4 minutes until softened.
03 -
Add shredded chicken, salt, black pepper, and barbecue sauce to the skillet; stir well and cook for an additional 2 to 3 minutes until heated through.
04 -
Unroll pizza dough onto parchment paper on a cutting board and roll to a 10x14 inch rectangle. Using a pizza cutter or sharp knife, cut 3-inch slits spaced 1 inch apart along both long sides of the dough, stopping at the center.
05 -
Spread the barbecue chicken mixture evenly down the center of the dough. Sprinkle shredded mozzarella over the chicken. Fold the strips of dough diagonally over the filling, alternating sides to form a braid pattern covering the center.
06 -
Beat the egg with water and brush the mixture over the braided dough to create a glossy finish.
07 -
Transfer the parchment paper with the braid onto a baking sheet and bake in the preheated oven for 20 to 24 minutes until golden brown.
08 -
Allow to cool slightly, slice into 12 equal pieces, and serve with two pieces per serving.