"Packed with veggies and chicken, these personal-size pies are the definition of comfort food...."
all-purpose flour, plus more for surface
(2 sticks) unsalted butter, cut up and cold
finely grated Parmesan cheese
Pinch kosher salt
unsalted butter
large onion, finely chopped
Kosher salt
Pepper
medium carrots, sliced 1/4 inch thick
small fennel bulb, quartered, cored and sliced crosswise into 1/4-inch-thick pieces
parsnip, peeled and sliced 1/4 inch thick
cloves garlic, finely chopped
all-purpose flour
dry sherry
chicken broth
whole milk
shredded cooked chicken, preferably dark meat
frozen peas
chopped flat-leaf parsley
chopped fresh thyme
large egg