Weep-Proof Lemon Meringue Pie with Swiss Meringue

By Sprig Originals ✓ · cooked up in Sprig

A diner-counter classic rebuilt so it actually behaves: a crisp, egg-white-sealed all-butter crust, a tart cornstarch-set lemon curd that slices in clean wedges, and a glossy Swiss meringue whipped from whites cooked to 160°F so it never beads, weeps, or slides. The meringue goes on while the filling is still steaming — that's the whole trick to a watertight seal.

Ingredients

• 1 1/4 cups all-purpose flour
• 1 tbsp granulated sugar
• 1/2 tsp fine salt
• 10 tbsp cold unsalted butter, cut into 1/2-inch cubes
• 3 tbsp ice water, plus more as needed
• 1 egg white (for sealing the crust)

• 1 cup granulated sugar
• 1/3 cup cornstarch
• 1/4 tsp fine salt
• 1 1/2 cups water
• 6 large egg yolks
• 2/3 cup fresh lemon juice (about 4 large lemons)
• 1 tbsp finely grated lemon zest
• 4 tbsp unsalted butter, cut into pieces

• 5 large egg whites (about 150 g)
• 1 cup granulated sugar
• 1/4 tsp cream of tartar
• 1 pinch fine salt
• 1/2 tsp vanilla extract

Instructions

1. Make the dough: Whisk the flour, 1 tablespoon sugar, and 1/2 teaspoon salt in a bowl. Add the cold butter cubes and toss to coat, then flatten each cube between your fingertips into a thin flake. Work quickly until the mixture looks like coarse, floury shingles with visible butter pieces.
2. Drizzle in 3 tablespoons ice water and toss with a fork. Squeeze a handful of dough — if it holds together, it's ready; if it crumbles, add ice water 1 teaspoon at a time. Press into a 1-inch-thick disk, wrap, and refrigerate at least 1 hour (or up to 2 days).
3. On a lightly floured counter, roll the dough into a 13-inch circle about 1/8 inch thick. Ease it into a 9-inch pie plate without stretching, trim to a 1/2-inch overhang, fold the edge under, and crimp. Freeze the shell 30 minutes — a frozen shell barely shrinks.
4. Heat the oven to 400°F with a rack in the lower third. Line the frozen shell with foil or parchment and fill it completely with pie weights or dried beans, pushing them up against the sides. Bake 20 minutes, then remove the weights and liner and bake 8 to 12 minutes more, until the bottom looks dry and the edges are deep golden.
5. Beat the extra egg white with a fork until loose and brush a thin coat over the hot crust, bottom and sides. Return to the oven for 2 minutes to set into a waterproof glaze. Cool the crust on a rack while you make the filling. Reduce the oven to 350°F.
6. Whisk 1 cup sugar, the cornstarch, and 1/4 teaspoon salt together in a medium saucepan (do this dry so the starch can't lump). Whisk in the water until perfectly smooth, then set over medium heat.
7. Cook, whisking constantly and scraping the corners, 5 to 8 minutes, until the mixture turns from cloudy to glossy, thickens like pudding, and bubbles slowly break the surface. Let it bubble a full 30 seconds to cook out the starch.
8. Whisk the egg yolks in a bowl. Slowly dribble in about 1 cup of the hot starch base while whisking hard to temper the yolks, then pour the yolk mixture back into the pan. Return to medium-low heat and cook, whisking, for 2 minutes — it should be thick enough to hold a whisk trail and read 180°F.
9. Off the heat, whisk in the lemon juice, zest, and butter a few pieces at a time until the filling is smooth and satiny. Pour it through a fine-mesh sieve directly into the baked crust, smooth the top, and leave it on the counter — the filling must stay hot for the meringue step.
10. Make the Swiss meringue: Combine the egg whites, 1 cup sugar, cream of tartar, and pinch of salt in a large heatproof bowl. Set it over a saucepan of barely simmering water and whisk constantly, 3 to 5 minutes, until the sugar is fully dissolved (rub a drop between your fingers — no grit) and the mixture registers 160°F.
11. Transfer to a stand mixer with the whisk attachment (or use a hand mixer) and beat on medium-high 5 to 7 minutes, until the meringue is thick, bright white, and holds a stiff peak that just curls at the tip, and the bowl is no longer warm. Beat in the vanilla.
12. Immediately mound the meringue onto the hot filling. Spread it so it touches the crust all the way around with no gaps — that seal is what keeps the pie from weeping — then swirl peaks with the back of a spoon.
13. Bake at 350°F for 15 to 18 minutes, until the peaks are golden brown and the meringue feels dry and set to a light touch. (Alternatively, skip the oven and brown the peaks with a kitchen torch; Swiss meringue is already cooked.)
14. Cool the pie on a rack at room temperature, away from drafts, for at least 4 hours before slicing — the filling needs that time to fully set. Slice with a thin knife dipped in hot water and wiped between cuts.

Chef's tips

Nutrition (per serving, estimated)

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