Lactose Free Classic Lemon Meringue Pie
Bright, tangy, and crowned with a cloud of glossy toasted meringue, this is the kind of showstopper dessert that makes people ask for seconds before they've even finished their first slice. The filling gets its silky, intensely citrusy punch from fresh lemon juice and zest, thickened with cornstarch and egg yolks rather than any cream or milk — which means the whole thing is naturally free of lactose without any substitutions required. The buttery blind-baked crust delivers that satisfying flaky snap, and the Italian meringue technique — where hot sugar syrup is streamed into whipped egg whites — creates a stable, marshmallow-like topping that holds its gorgeous peaks beautifully. Dairy-sensitive dessert lovers often feel like they have to skip the classics, but this one needs no swaps or workarounds; it's simply built that way from the ground up. Toasting the meringue with a kitchen torch is genuinely one of the most satisfying moments in home baking, and the finished pie looks like it came straight out of a bakery window. Give it the full chill time before slicing and you'll be rewarded with clean, picture-perfect wedges every single time.
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Learn more →Ingredients
8 servings
For the crust
- 1 ¼ cups all-purpose flour
- 1 tbsp granulated sugar
- ½ tsp salt
- ½ cup (1 stick) unsalted butter, cut into ½-inch cubes and chilled
- 3–4 tbsp ice water
For the lemon filling
- 1 cup granulated sugar
- ¼ cup cornstarch
- ¼ tsp salt
- 1 ½ cups water
- ½ cup fresh lemon juice (from about 3–4 lemons)
- 1 tbsp lemon zest (from about 2 lemons)
- 5 large egg yolks
- 2 tbsp unsalted butter
For the Italian meringue
- 4 large pasteurized egg whites, at room temperature
- 1 cup granulated sugar
- ¼ cup water
- ¼ tsp cream of tartar
Instructions
- 1
Make the crust: Whisk together the flour, 1 tbsp sugar, and 1/2 tsp salt in a large bowl. Add the chilled butter cubes and work them in with your fingertips or a pastry cutter until the mixture resembles coarse crumbs with some pea-sized pieces of butter remaining. Drizzle in 3 tbsp ice water and stir with a fork until the dough just comes together; add the fourth tablespoon only if the dough is still crumbly. Turn the dough onto a lightly floured surface, press into a disk, wrap in plastic wrap, and refrigerate for at least 30 minutes.
- 2
Preheat the oven to 375°F (190°C). On a lightly floured surface, roll the chilled dough into a 12-inch circle about 1/8 inch thick. Drape it over the rolling pin and transfer it to a 9-inch pie dish, pressing it gently into the bottom and sides. Trim the overhang to about 1 inch, fold it under, and crimp the edge. Prick the bottom all over with a fork, line with parchment paper, and fill with pie weights or dried beans.
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