Nigel Slater’s chicken and leek pie is a comforting British-style pie with tender chicken and sweet, softened leeks in a creamy sauce beneath crisp pastry. This practical version uses cooked chicken and ready-rolled puff pastry, so the filling comes together on the stove before the pie is baked until golden.
Ingredients
- 1 sheet all-butter puff pastry, about 10 oz (280 g), thawed if frozen
- 1 lb 2 oz (500 g) boneless, skinless chicken thighs, cut into ¾-inch (2 cm) pieces
- 2 medium leeks, about 12 oz (340 g) before trimming
- 2 tbsp (28 g) unsalted butter
- 1 tbsp (15 ml) olive oil
- 2 tbsp (16 g) all-purpose flour
- 1 cup (240 ml) chicken stock, preferably low-sodium
- ½ cup (120 ml) heavy cream
- 1 tsp fresh thyme leaves, or ½ tsp dried thyme
- ½ tsp fine salt, plus more to taste
- ¼ tsp freshly ground black pepper
- 1 large egg (about 50 g), beaten with 1 tsp (5 ml) water, for glazing
- 1 tsp (5 ml) water, for the egg glaze
Instructions
- Heat the oven to 400°F (200°C). Set a rack in the middle. Trim the root ends and dark green tops from the leeks, keeping the pale and light-green parts. Slice them lengthwise, rinse carefully between the layers to remove grit, then cut into ½-inch (1 cm) slices. Pat dry.
- Warm the oil and butter in a large skillet or saucepan over medium heat. Add the leeks and cook for 7–9 minutes, stirring now and then, until soft but not browned. If they begin to stick, add a tablespoon of water.
- Stir in the chicken pieces, thyme, salt and pepper. Cook for 5–7 minutes, turning the pieces, until the outside is no longer pink. The chicken will finish cooking in the oven. Sprinkle over the flour and stir for 1 minute to coat the chicken and leeks.
- Pour in the stock gradually, stirring to loosen any flour from the base of the pan. Bring to a gentle simmer and cook for 3–4 minutes, stirring, until the sauce thickens enough to coat a spoon. Take the pan off the heat and stir in the cream. Taste and adjust the seasoning. Transfer the filling to a shallow 1½-quart (about 1.4-liter) ovenproof pie dish and let it cool for 10 minutes; this helps keep the pastry crisp.
- Unroll the pastry and lay it over the dish, leaving a little overhang. Trim the excess, press the pastry edge against the rim, and crimp it with a fork or your fingers to seal. Cut a small cross or slit in the center so steam can escape. Brush the top with the beaten egg mixed with 1 teaspoon of water. Set the dish on a baking sheet in case the filling bubbles over.
- Bake for 25–30 minutes, until the pastry is deeply golden and puffed and the filling bubbles through the vent. Check a large piece of chicken in the center with a food thermometer: the USDA FSIS safe minimum internal temperature for poultry is 165°F (74°C). If the pastry browns before the chicken reaches temperature, loosely cover it with foil and continue baking.
- Let the pie stand for 5 minutes before serving. The filling will be very hot, and a short rest also makes it easier to portion.
Tips
- Wash leeks thoroughly: soil often hides between their layers. Cutting them before rinsing makes it easier to flush out grit, but drain and dry them well so excess water does not thin the sauce.
- Keep the filling thick and only slightly warm when you cover it. A hot, loose filling can melt the pastry before it has time to puff. If it seems runny, simmer it briefly before adding the cream; if it becomes too thick, loosen it with a splash of stock.
- For a shortcut, use 2½ cups (about 350 g) cooked chicken, shredded or diced. Skip the raw-chicken cooking step and stir the chicken into the thickened leek sauce; bake until the pie is piping hot throughout and the pastry is golden.
- Keep puff pastry cold while you work and avoid stretching it over the dish. A stretched sheet can shrink in the oven. If it softens, chill it for 10 minutes before shaping.
Serving Suggestions
Serve the pie hot with a green vegetable such as peas, green beans or steamed cabbage. A crisp salad dressed with a sharp vinaigrette balances the creamy filling, while mashed potatoes are a hearty option if you want a more substantial meal. Spoon the pie onto warm plates so the sauce stays inviting.
Variations
Swap the chicken thighs for an equal weight of boneless chicken breast, taking care not to overcook it, or use cooked leftover chicken as described above. Add ½ cup (75 g) sliced mushrooms to the leeks and cook until their released liquid evaporates. For a sharper, more savory filling, stir in 1 teaspoon of Dijon mustard or ¼ cup (25 g) grated mature cheddar with the cream. If you cannot find all-butter puff pastry, standard puff pastry works; shortcrust pastry gives a firmer, less flaky lid and may need a few extra minutes to bake.
Storage and Reheating
Refrigerate leftovers within 2 hours of baking, covered, for 3–4 days. For best pastry texture, store portions in an airtight container rather than leaving the pie in its dish uncovered. Reheat individual portions in a 350°F (175°C) oven until hot throughout; check the center reaches 165°F (74°C), the USDA FSIS temperature for reheated leftovers. A microwave is quicker but softens the pastry. You can freeze cooled portions in a freezer-safe container for up to 2 months; thaw overnight in the refrigerator and reheat to 165°F (74°C). Do not leave the pie at room temperature for more than 2 hours.
Frequently Asked Questions
Can I make the filling ahead?
Yes. Cook the filling, cool it promptly, and refrigerate it in a covered container for up to 2 days. Assemble with pastry just before baking, and allow extra oven time if the filling is cold; check the chicken reaches 165°F (74°C) at the center.
Can I use cooked rotisserie chicken?
Yes. Remove the skin and bones, then measure about 2½ cups (350 g) of meat. Make the leek sauce without raw chicken, fold in the cooked meat once the sauce thickens, and bake until the filling is hot throughout and the pastry is browned.
Why is the bottom of my pastry soggy?
A warm or watery filling is the most common cause. Simmer the sauce until it coats a spoon, let the filling cool for about 10 minutes, and vent the pastry so steam can escape. Baking the dish on a preheated baking sheet can also help the base heat quickly.
Can I assemble the pie in advance?
It is better to refrigerate the filling and pastry separately, then assemble just before baking. If you assemble it ahead, cover and refrigerate for no more than a day; the pastry may absorb moisture and rise less evenly. Bake directly from cold, allowing extra time and checking the chicken temperature.
What dish should I use?
A shallow 1½-quart (about 1.4-liter) ovenproof dish gives the filling enough surface area for a single pastry lid. A deeper dish can work, but the filling may take longer to heat and the pastry-to-filling ratio will be smaller.
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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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