01 -
Prepare pie crust dough and chill for 2 hours.
02 -
Boil chicken, carrots, and celery in water for 10 minutes, drain.
03 -
Cook onions and garlic in butter until translucent.
04 -
Add flour, salt, pepper, and thyme to make roux.
05 -
Whisk in broth and half-and-half until smooth.
06 -
Simmer 10 minutes until very thick.
07 -
Heat oven to 425°F.
08 -
Roll first crust, place in 9-inch pie dish.
09 -
Add chicken-vegetable mixture and peas.
10 -
Pour gravy over filling.
11 -
Cover with second crust, seal edges.
12 -
Cut slits in top, brush with egg wash.
13 -
Bake 32-38 minutes, covering edges after 20 minutes.
14 -
Cool 10 minutes before serving.