01 -
Preheat oven to 400°F (200°C).
02 -
In a skillet, melt butter over medium heat. Add diced chicken and cook until golden brown, about 8 minutes.
03 -
Stir in frozen mixed vegetables until heated through.
04 -
Sprinkle flour over the mixture and gradually add chicken broth while stirring until thickened (about 5 minutes).
05 -
Mix in heavy cream, thyme, salt, and pepper; remove from heat.
06 -
Roll out puff pastry sheets and cut circles to fit muffin tins.
07 -
Fill pastry-lined cups with the chicken mixture; fold excess pastry over the top or cut smaller circles for lids.
08 -
Bake for 20-25 minutes until golden brown.
09 -
Cool slightly before serving.