Preheat oven to 450°F. Cut 4 circles from each sheet of puff pastry and place on a baking sheet.
In a skillet, cook onion in oil until softened.
STEP
Add leftover turkey, cream cheese, green chilies, salsa, and taco seasoning. Stir until creamy.
Spoon filling onto each puff pastry round, top with shredded cheese, fold in half, and seal edges with a fork.
STEP
Poke holes on top, brush with egg wash, and bake for 20-25 minutes until golden brown.
Serve warm or refrigerate leftovers for up to 3 days.
STEP