Chicken and leek pie is a British-style savoury pie filled with tender chicken, soft leeks and a creamy, gently seasoned sauce beneath crisp puff pastry. Browning the chicken first and letting the filling cool before adding the pastry help keep the filling flavourful and the crust flaky.
Ingredients
- 1½ lb (680 g) boneless, skinless chicken thighs, cut into 1-inch (2.5 cm) pieces
- 1 tbsp (15 ml) olive oil
- 2 tbsp (28 g) unsalted butter
- 2 medium leeks, about 1 lb (450 g) before trimming, white and pale-green parts only, cleaned and sliced
- 1 medium yellow onion, about 7 oz (200 g), finely chopped
- 2 medium carrots, about 5 oz (140 g), peeled and diced
- 2 cloves garlic, minced
- ⅓ cup (42 g) all-purpose flour
- 1½ cups (355 ml) low-sodium chicken stock
- ¾ cup (180 ml) whole milk
- ½ cup (120 ml) heavy cream
- 1 tsp (5 ml) Dijon mustard
- 1 tsp (1 g) fresh thyme leaves, or ½ tsp (0.5 g) dried thyme
- ¾ tsp (4 g) fine salt, plus more as needed
- ¼ tsp (0.5 g) freshly ground black pepper
- 1 sheet all-butter puff pastry, about 10 oz (280 g), thawed according to its package directions
- 1 large egg (about 50 g), beaten with 1 tsp (5 ml) water, for glazing
Instructions
- Heat the oven to 400°F (200°C). Set a rack in the centre. Pat the chicken dry and season it with a pinch of the measured salt and pepper. Heat the oil in a large, deep skillet or Dutch oven over medium-high heat. Brown the chicken in batches for about 3–4 minutes per batch; it need not be cooked through yet. Transfer it to a plate.
- Reduce the heat to medium and add the butter. Stir in the leeks, onion and carrots. Cook for 8–10 minutes, stirring occasionally, until softened but not deeply browned. Add the garlic and thyme and cook for 30 seconds.
- Sprinkle the flour over the vegetables and stir for 1 minute so it coats them evenly. Gradually pour in the stock, stirring to smooth out lumps, then add the milk, cream and mustard. Bring the mixture to a gentle simmer and cook for 3–5 minutes, stirring, until the sauce thickens enough to coat a spoon.
- Return the chicken and any plate juices to the pan. Simmer gently for 6–8 minutes, stirring once or twice, until the largest chicken pieces reach 165°F (74°C) on a food thermometer; this is the USDA FSIS safe minimum temperature for poultry. Stir in the remaining salt and pepper, taste, and adjust the seasoning. Remove the pan from the heat.
- Transfer the filling to a 9-inch (23 cm) deep pie dish, about 1½ quarts (1.4 litres). Spread it evenly and let it cool for 10 minutes, so the pastry is less likely to soften or sag. Keep the oven on.
- Lay the puff pastry over the dish. Trim excess pastry, leaving about ½ inch (1.3 cm) overhang, then tuck or press it against the rim to seal. Cut a small cross or a few short slits in the centre to let steam escape. Brush the top with the egg wash, taking care not to let it run down the sides, which can prevent the pastry from rising.
- Set the dish on a baking sheet to catch any bubbling sauce. Bake for 25–30 minutes, until the pastry is puffed and deep golden and the filling is bubbling at the vents. If the pastry browns too quickly, loosely cover it with foil. Rest the pie for 10 minutes before serving so the sauce settles.
Tips
- Clean leeks carefully: grit often hides between the layers. Slice them first, then rinse in a bowl of cold water and lift them out, leaving the grit behind.
- Use thighs for a forgiving, tender filling. Chicken breast works too, but can dry out; check its temperature and avoid simmering it longer than needed.
- For a thicker sauce, simmer it for another minute or two before adding the pastry. If it becomes too thick, stir in a splash of stock or milk. A watery filling can make the pastry soggy.
- Ready-rolled shortcrust pastry can replace puff pastry. It gives a firmer, less flaky lid; follow the package instructions for handling and baking, and keep the steam vents.
Serving Suggestions
Serve the pie hot, with a green vegetable such as peas, green beans or steamed broccoli to balance the rich sauce. A crisp green salad with a sharp vinaigrette is another easy match. If you want a more substantial plate, add mashed potatoes or boiled new potatoes, though the pastry and creamy filling make the pie satisfying on its own.
Variations
For a deeper savoury flavour, replace up to ½ cup (120 ml) of the stock with dry white wine; simmer it briefly with the vegetables before adding the remaining stock. For extra vegetables, add 1 cup (100 g) sliced mushrooms with the leeks, or stir ½ cup (75 g) frozen peas into the filling after the chicken is cooked. Use vegetable stock and omit the chicken only if making a separate meat-free pie; the filling will need another substantial ingredient, such as 1½ cups (250 g) cooked butter beans or 8 oz (225 g) sautéed mushrooms.
Storage and Reheating
Cool leftovers promptly and refrigerate within 2 hours of baking. Store covered in the refrigerator for 3–4 days. Reheat individual portions in a 350°F (175°C) oven until the centre reaches 165°F (74°C); allow about 20–30 minutes, covering loosely with foil if the pastry is already dark. A microwave is quicker but softens the crust; heat in short intervals and check the centre reaches 165°F (74°C). Freeze fully cooled portions, well wrapped, for up to 2 months for best quality. Thaw overnight in the refrigerator and reheat to 165°F (74°C); pastry may be less crisp after freezing.
Frequently Asked Questions
Can I make the filling ahead?
Yes. Cook the filling, cool it promptly, cover and refrigerate it for up to 2 days. Reheat it until piping hot, then cool it enough to assemble without warming the pastry. Bake as directed, allowing extra time if the filling is still cold and checking that it is bubbling throughout.
Can I assemble the pie before baking?
For the best rise, assemble it just before baking. If you need to prepare it ahead, keep the cooled filling and pastry separate in the refrigerator, then assemble when ready. If the assembled pie is chilled, expect it to need extra baking time; use a thermometer to check the filling reaches 165°F (74°C).
Why is my pastry soggy underneath?
Common causes are hot filling, a thin or watery sauce, or pastry that has not baked long enough. Cool the filling for about 10 minutes, simmer the sauce until it coats a spoon, and bake until the top is well browned and the filling bubbles at the vents.
Can I use leftover cooked chicken?
Yes. Use about 3 cups (400–450 g) cooked, shredded or diced chicken. Make the sauce and vegetables first, then stir in the chicken just long enough to heat it through; avoid a long simmer that can dry it out. The finished pie must be reheated to 165°F (74°C).
What size dish should I use?
A deep 9-inch (23 cm) pie dish or a roughly 1½-quart (1.4-litre) baking dish fits this quantity. Leave some room at the top for bubbling, and place the dish on a baking sheet in case sauce escapes.
Can I use frozen puff pastry?
Yes. Thaw it as directed on the package, usually in the refrigerator, and keep it cool while you prepare the filling. If it becomes warm or sticky, chill it briefly before topping the pie so it is easier to handle and more likely to puff.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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