01 -
Preheat oven to 200°C (400°F).
02 -
Roll out each puff pastry sheet into an equal square. Cut each sheet into 4 equal squares. Arrange squares evenly spaced on 2 large sheet pans lined with parchment paper. Poke holes in the center of each pastry square with a fork, brush with egg wash and season with kosher salt.
03 -
Place ham on top of each puff pastry square. Sprinkle cheese evenly in a circle on the ham, leaving space in the center for the egg. Bake for 10-15 minutes until edges begin to puff.
04 -
Remove pastries from the oven. Using the back of a spoon, press a slight divot into the center of each pastry and carefully crack an egg into each well. Season eggs with kosher salt and freshly ground black pepper.
05 -
Return to oven and bake for an additional 10-15 minutes until egg whites are set and puff pastry is golden brown. Remove from oven, garnish with chopped chives, and serve immediately.