One Dish Chicken Pot Pie with Cheddar Crust

INGREDIENTS

1 1/2 cups

all-purpose flour

1/2 tsp

salt

12 tbsp

unsalted butter cut into small chunks and chilled

2/3 cup

shredded cheddar cheese

to 6 1/2 tablespoons ice water

4 tbsp

butter

1/2

medium onion, (diced)

carrot, (peeled and thinly sliced)

celery stalk, (diced)

1/2 cup

all-purpose flour

1 1/3 cups

chicken broth

1 cup

half and half

1/2 tsp

salt

1/4 tsp

pepper

1/4 tsp

dried thyme

1/4 tsp

poultry seasoning

2/3 cup

frozen peas, (defrosted)

3 cups

diced cooked chicken

egg, (lightly beaten)