BBC-style lemon meringue pie pairs a crisp pastry shell with tangy lemon filling and a cloud of toasted meringue. The balance works because the sharp, smooth filling offsets the sweet topping; this version uses a baked shortcrust base and a cooked cornstarch-thickened filling for clean slices.
Ingredients
- For the pastry: 1 ¼ cups (160 g) all-purpose flour, plus extra for rolling
- 7 tbsp (100 g) cold unsalted butter, diced
- 2 tbsp (25 g) superfine or granulated sugar
- 1 large egg yolk
- 2–3 tbsp (30–45 ml) cold water
- For the lemon filling: 1 cup (200 g) granulated sugar
- ¼ cup (30 g) cornstarch
- 1 ½ cups (360 ml) water
- 2 tsp finely grated lemon zest, from about 2 lemons
- ½ cup (120 ml) fresh lemon juice, from about 2–3 lemons
- 3 large egg yolks
- 2 tbsp (28 g) unsalted butter
- For the meringue: 4 large egg whites, at room temperature
- ½ cup (100 g) superfine or granulated sugar
- ¼ tsp cream of tartar (about 1 g), optional but helpful for stability
Instructions
- Make the pastry. Rub the flour and cold butter together with your fingertips until the mixture resembles coarse crumbs. Stir in the sugar and egg yolk, then add cold water a tablespoon at a time until the dough just comes together. Flatten into a disk, wrap, and chill for 30 minutes.
- Roll and chill the crust. On a lightly floured surface, roll the pastry into a circle about 12 inches (30 cm) across and roughly ⅛ inch (3 mm) thick. Fit it into a 9-inch (23 cm) pie plate, trim and crimp the edge. Prick the base with a fork and chill for 15 minutes. Heat the oven to 375°F (190°C).
- Blind-bake. Line the pastry with parchment and fill with pie weights or dried beans. Bake for 15 minutes, then remove the paper and weights and bake for another 8–10 minutes, until the base looks dry and lightly golden. Set the crust aside. Reduce the oven to 350°F (175°C).
- Cook the filling. In a medium saucepan, whisk the sugar and cornstarch together. Gradually whisk in the water until smooth, then add the lemon zest and juice. Cook over medium heat, whisking constantly, until the mixture thickens and bubbles; continue cooking for 1 minute. Take the pan off the heat. Whisk a few spoonfuls of hot mixture into the yolks, then slowly whisk the warmed yolks back into the pan. Return to low heat and cook, stirring, for 1 minute. Remove from the heat and stir in the butter.
- Fill the crust. Pour the hot filling into the baked pastry shell and spread it evenly. Keep the filling hot while preparing the meringue so the topping can adhere to it.
- Make the meringue. In a clean, grease-free bowl, beat the egg whites and cream of tartar until foamy. Add the sugar gradually, a spoonful at a time, beating until the meringue is glossy and holds stiff peaks. Rub a little between your fingers; if it feels gritty, keep beating until the sugar has mostly dissolved.
- Top and bake. Spoon the meringue over the hot filling, spreading it all the way to the pastry edge to seal it. Swirl the top with the back of a spoon. Bake at 350°F (175°C) for 15–18 minutes, until the peaks are lightly browned. Egg safety note: the USDA FSIS safe minimum for egg dishes is 160°F (71°C); use pasteurized egg whites if you need the meringue to meet that temperature without over-browning, or bake until a thermometer in the meringue reaches 160°F (71°C).
- Cool and set. Set the pie on a rack and cool for 1 hour, then refrigerate for at least 2 hours before slicing. Use a clean, sharp knife, wiping it between cuts for neater portions.
Tips
- Keep the butter cold and handle pastry briefly. If it becomes soft or sticky, chill it for 10 minutes before rolling rather than adding lots of extra flour.
- For the best lemon flavor, use freshly squeezed juice and finely grated zest; avoid grating the bitter white pith. Bottled lemon juice can work, but the filling will taste less fresh.
- Spread the meringue right to the pastry edge while the filling is hot. This helps anchor the topping and reduces the chance of it pulling away as it cools.
- Use a dry bowl and beaters for the whites. Any grease or yolk can prevent them from forming a stable meringue, and adding sugar too quickly can make it grainy.
Serving Suggestions
Serve the pie cold or just slightly cool, in modest wedges; the filling and meringue are both rich and sweet. It is lovely on its own, or with unsweetened whipped cream and a few berries. For a clean cut, use a thin knife warmed under hot water and wiped dry before slicing.
Variations
For a quicker crust, use 1 unbaked 9-inch (23 cm) store-bought pastry shell and blind-bake it according to its package directions. A graham cracker crust is another option, though it makes the pie sweeter and gives it a crumbly base rather than classic pastry.
You can replace some of the lemon juice with lime juice for a sharper, lightly floral filling; keep the total juice at ½ cup (120 ml). For a less sweet topping, reduce the meringue sugar only slightly, since sugar helps stabilize the egg whites. A Swiss-style meringue can be made by warming the whites and sugar over simmering water before beating, but monitor the mixture carefully and still follow the egg-safety guidance above.
Storage and Reheating
Refrigerate the pie within 2 hours of baking or serving, loosely covered once fully cool. It keeps for up to 2 days in the refrigerator; the meringue may soften or release a little moisture over time. This pie is not a good candidate for freezing, because thawing can make the filling watery and the meringue collapse. Serve chilled; reheating is not recommended.
Frequently Asked Questions
Why is my lemon filling runny?
It may not have boiled long enough after thickening, or the cornstarch may not have been measured correctly. Bring the filling to a full bubble while whisking and cook for 1 minute; allow the assembled pie to chill for at least 2 hours before cutting.
Why does the meringue weep?
Weeping can happen if sugar has not dissolved, the topping is underbaked, or the pie cools slowly in a humid room. Add sugar gradually, bake until lightly browned, seal the topping to the crust, and chill the cooled pie promptly.
Can I make lemon meringue pie ahead?
Yes. Make it the day you plan to serve it if possible, then chill it for at least 2 hours so the filling sets. The pastry shell can be baked a day ahead and stored covered at room temperature; add the filling and meringue closer to serving for the best texture.
Can I use a different pie plate size?
A 9-inch (23 cm) plate gives the intended filling depth. A larger plate makes a thinner pie and may need less baking time; a smaller or deeper dish may need extra time for the center to set. Keep the meringue within the pastry edge.
How do I know the meringue is ready?
It should look glossy, hold stiff peaks, and have no obvious sugar grit when rubbed between your fingers. For egg safety, follow the temperature guidance in the baking step, using pasteurized whites if needed to reach 160°F (71°C) without excessive browning.
Can I use bottled lemon juice?
Yes, use the same amount, ½ cup (120 ml), but the flavor is usually less bright. Fresh zest still adds a useful citrus aroma if you have fresh lemons available.
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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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