2
Add chicken into the pan, season with salt and pepper. Seal and brown the chicken for about 2 minutes, turning once.
3
Add dijon mustard and flour. Then chicken stock and stir until sauce thickens. Lastly, fresh thyme leaves and heavy cream.
4
Season, mix in frozen peas. Transfer pie filling into a pie dish. Cover the pie dish with just thawed puff pastry and loosely tuck in the sides.