01 -
Set your oven to 375°F and line a baking sheet with parchment paper.
02 -
Roll out the dough and spread mustard on it, leaving a 1-inch edge clear.
03 -
Lay the chicken, ham, and cheese over the mustard layer.
04 -
Starting from the long side, roll the dough tightly and pinch the edges shut.
05 -
Brush with egg, then sprinkle with a mixture of breadcrumbs, butter, garlic, and parsley.
06 -
Bake for 25–30 minutes until golden brown.