Joe Wicks chicken and leek pie is a comforting British-style bake with tender chicken and soft leeks in a creamy, lightly mustardy sauce, finished with crisp puff pastry. This practical home version uses a pastry lid rather than a full pastry case, so the filling stays generous and the top turns golden without becoming soggy.
Ingredients
- 1 lb 2 oz (500 g) boneless, skinless chicken breast, cut into bite-size pieces
- 1 sheet ready-rolled puff pastry, about 9 oz (250 g), thawed if frozen
- 2 medium leeks, about 10 oz (280 g) trimmed weight, rinsed well and sliced
- 1 medium yellow onion, about 5 oz (140 g), finely chopped
- 1 medium carrot, about 4 oz (110 g), peeled and diced small
- 1 tablespoon (15 ml) olive oil
- 2 tablespoons (28 g) unsalted butter
- 3 tablespoons (24 g) all-purpose flour
- 1 ¼ cups (300 ml) low-sodium chicken stock
- ½ cup (120 ml) milk
- 1 tablespoon (15 g) Dijon mustard
- ½ teaspoon dried thyme, or 1 teaspoon fresh thyme leaves
- ½ teaspoon fine salt, plus more to taste
- ¼ teaspoon freshly ground black pepper
- 1 large egg, beaten with 1 teaspoon (5 ml) water, for glazing
Instructions
- Heat the oven to 400°F (200°C). Set a rack in the middle. Have a 1½-quart (about 1.4-litre) ovenproof pie dish ready. Keep the pastry chilled until needed; if it is frozen, thaw it according to the package directions.
- Heat the olive oil in a large skillet or sauté pan over medium-high heat. Add the chicken in a single layer, working in batches if necessary, and brown it for about 3 minutes, turning once. It does not need to be cooked through yet. Transfer the chicken to a plate. Wash hands, utensils and surfaces that have touched raw chicken.
- Reduce the heat to medium. Add the butter, onion, carrot and leeks to the pan. Cook for 7–9 minutes, stirring often, until the vegetables soften and the leeks begin to look glossy. If the pan seems dry, add a tablespoon of water rather than letting the vegetables catch.
- Sprinkle the flour over the vegetables and stir for 1 minute so no dry patches remain. Gradually pour in the stock, stirring as you go, then add the milk, mustard, thyme, salt and pepper. Bring the mixture to a gentle simmer and cook for 3–4 minutes, stirring, until the sauce thickens enough to coat the back of a spoon.
- Return the chicken and any juices on the plate to the pan. Simmer gently for 4–6 minutes, stirring occasionally. Check the largest chicken piece with a food thermometer: USDA FSIS recommends a safe minimum internal temperature of 165°F (74°C) for poultry. If it has not reached that temperature, continue cooking and check again. Taste the sauce and adjust the seasoning. Take the pan off the heat.
- Spoon the filling into the pie dish and let it cool for about 10 minutes. This short cooling period helps keep the pastry from softening before it reaches the oven. Unroll the pastry over the dish, allowing a little overhang. Trim the excess, press the edge against the rim to seal, and cut a small vent in the center. Brush the surface with beaten egg; avoid letting egg run down the sides, which can impede the pastry’s rise.
- Bake for 25–30 minutes, until the pastry is puffed and deeply golden and the filling is bubbling at the edges. If the top browns too quickly, cover it loosely with foil for the remainder of the bake. Let the pie stand for 5 minutes before serving so the sauce settles slightly.
Tips
- Leeks often hold grit between their layers. Slice them first, swish the pieces in a bowl of cold water, then lift them out and drain; do not pour the gritty water back over them.
- Keep the filling fairly thick before it goes into the dish. A watery sauce can make the pastry soggy, so simmer it briefly to reduce, or stir in a little extra flour blended with cold water and cook until thickened.
- Chicken thighs can replace breast in the same quantity for a richer filling. Cut them into even pieces and use the same thermometer check of 165°F (74°C).
- For easier pastry handling, cut a strip of pastry to line the rim before laying the main sheet on top. Keep unused pastry cold, and do not stretch it over the dish, as stretched pastry can shrink in the oven.
Serving Suggestions
Serve the pie hot with steamed peas, green beans or broccoli to balance the creamy filling. For a more substantial plate, add mashed potatoes or boiled baby potatoes, though the pastry already makes the dish filling. A simple dressed green salad is a lighter accompaniment. Spoon from the dish rather than cutting immediately after baking; the five-minute rest helps the filling stay together on the plate.
Variations
Stir ½ cup (60 g) frozen peas into the filling just before transferring it to the dish; they need no separate cooking. For a more pronounced herb flavor, use fresh thyme or add 1 tablespoon chopped parsley after cooking. Swap Dijon mustard for whole-grain mustard if you prefer a milder, seedier texture. To make the pie without dairy, use a neutral plant-based butter and unsweetened oat milk; the sauce may be a little less rich, so check its thickness before filling the dish. For a vegetarian version, omit the chicken and use 10 oz (280 g) sliced mushrooms plus 1 cup (150 g) cooked white beans, and replace the chicken stock with vegetable stock. Cook the mushrooms until their released liquid has evaporated before adding flour.
Storage and Reheating
Refrigerate leftovers within 2 hours of baking, in a covered container or the covered pie dish. Keep for 3–4 days in the refrigerator. Reheat individual portions in a 350°F (175°C) oven until hot throughout and the center reaches 165°F (74°C); a microwave also works, though it softens the pastry. If reheating the whole pie, cover loosely with foil so the top does not overbrown, removing it near the end to crisp the pastry. Do not reheat more than once. Freeze cooled portions in airtight freezer-safe containers for up to 2 months for best quality; thaw overnight in the refrigerator before reheating to 165°F (74°C).
Frequently Asked Questions
Can I prepare the pie ahead?
Yes. Make the filling, cool it promptly, cover and refrigerate it for up to 1 day. Assemble with chilled pastry just before baking. Because the filling starts cold, allow extra oven time and check that the center is thoroughly hot; do not rely on the pastry color alone.
Can I use cooked chicken?
Yes. Use about 1 lb (450 g) cooked chicken, cut into bite-size pieces, and stir it into the thickened sauce just long enough to heat. The finished filling should reach 165°F (74°C) when reheated. Avoid simmering the cooked chicken for a long time, which can make it dry.
Why is my pie filling runny?
The sauce may not have simmered long enough, or the vegetables may have released extra moisture. Before adding the pastry, simmer the filling uncovered until it coats a spoon. The filling also thickens a little as it rests after baking.
Can I use shortcrust pastry instead of puff pastry?
Yes. A shortcrust lid gives a firmer, less flaky top. Keep it cold, cut a vent, and bake until fully cooked and golden; use the package guidance for the pastry’s thickness, since baking time can vary.
Can I make individual pies?
Yes. Divide the filling among four ovenproof ramekins and top each with pastry, leaving a small vent. Set the ramekins on a baking sheet and bake at 400°F (200°C) until the pastry is golden and the filling bubbles, usually around 18–25 minutes depending on their size.
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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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