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1
Adjust oven rack to low-center position; heat oven to 400 degrees.
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2
Put chicken and broth in a dutch oven over medium heat.
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3
Cover and bring to simmer, simmer until chicken is done.
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4
Transfer meat to a large bowl and broth to another bowl.
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5
Increase heat to medium-high; heat oil in Dutch oven.
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6
Add onion, carrots, and celery and saute until just tender, about 5 minutes.
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7
Season to taste with salt and pepper.
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8
Meanwhile, shred chicken into bite-size pieces.
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9
Transfer cooked vegetables to bowl with chicken; set aside.
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10
Heat butter over medium heat in Dutch oven.
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11
When foaming subsides, add flour; cook for about 1 minutes.
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12
Whisk in reserved chicken broth, milk, any accumulated chicken juices and thyme.
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13
Bring to a simmer, reduce heat to low and continue to simmer, stirring, until sauce fully thickens, about 1 minute.
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14
Season to taste with salt and pepper; stir in sherry.
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15
Pour sauce over chicken-vegetable mixture; stir to combine.
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16
Stir in peas and parsley, and adjust seasonings.
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17
Pour mixture into a 13-by-9 inch pan or any shallow baking dish of similar size or into six 12-ounce ovenproof ramekins or bowls.
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18
Top as desired.
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19
Bake until pastry is golden brown and filling is bubbly, about 30 minutes for large pies, 20 to 25 minutes for smaller pies