
Roll out puff pastry and cut into 6 rectangles (about 4x5 inches each).
Mix ham, Swiss, Dijon, and thyme. Place filling on one half of each rectangle, leaving a ½-inch border.
Fold pastry over filling, press edges with a fork to seal. Cut 2-3 small slits on top. Brush with egg wash.
Air fry at 375°F for 10-12 minutes until puffed and deeply golden brown.
Cool 2-3 minutes before eating — the filling is molten hot.
Tip: Keep puff pastry cold until you're ready to assemble — warm pastry won't puff. If it gets soft, pop it back in the fridge for 5 minutes.
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