Ham and Cheese Puff Pastry

Remove puff pastry sheets from packaging and let thaw until pliable.

Preheat oven to 425°F and line a large baking sheet with parchment paper.

Roll out each puff pastry sheet slightly if needed and slice each into six rectangles using a sharp knife or pizza cutter.

Brush edges of each pastry rectangle with whisked egg, spread Dijon mustard in the center, then place one slice of Gruyère cheese and a folded slice of ham onto the mustard.

Lift one corner of the pastry towards the center, fold the opposite corner over to enclose the filling, and press edges gently to seal …