Grandma's Chocolate Meringue Pie Recipe

This old-fashioned chocolate meringue pie layers a rich, pudding-like chocolate custard in a flaky pie crust, topped with a cloud of soft, billowy meringue. It’s a classic American dessert that’s both comforting and impressive, and the combination of bittersweet chocolate and sweet, airy meringue is simply irresistible. This recipe delivers a stable, sliceable pie with a glossy meringue that doesn’t weep, thanks to a few simple techniques.

Ingredients

1 (9-inch) baked pie crust (store-bought or homemade, cooled completely)
1 cup (200 g) granulated sugar, divided
1/3 cup (40 g) cornstarch
1/4 cup (25 g) unsweetened cocoa powder (natural or Dutch-process)
1/2 teaspoon salt
3 large egg yolks (save the whites for the meringue)
2 cups (480 ml) whole milk
4 oz (115 g) semisweet or bittersweet chocolate, finely chopped
2 tablespoons (28 g) unsalted butter, cut into pieces
2 teaspoons vanilla extract, divided
3 large egg whites, at room temperature
1/4 teaspoon cream of tartar

Instructions

Prepare the pie crust and bake it according to your recipe or package directions. Let it cool completely on a wire rack.
In a medium saucepan (off heat), whisk together 3/4 cup (150 g) of the sugar, the cornstarch, cocoa powder, and salt. In a separate bowl, whisk the egg yolks with about 1/2 cup (120 ml) of the milk until smooth. Whisk the yolk mixture into the dry ingredients, then gradually whisk in the remaining 1 1/2 cups (360 ml) milk.
Place the saucepan over medium heat. Cook, stirring constantly with a whisk or wooden spoon, until the mixture thickens and comes to a gentle boil. This takes about 6–8 minutes. Once it’s bubbling, cook for 1 minute more, still stirring, to ensure the cornstarch is fully cooked and the custard is thick. Remove from heat.
Add the chopped chocolate, butter, and 1 teaspoon of vanilla. Stir until the chocolate and butter are completely melted and the mixture is smooth. The filling should be very thick, like a pudding.
Pour the hot filling directly into the cooled pie crust. Smooth the top with a spatula. Press a piece of plastic wrap directly onto the surface of the filling to prevent a skin from forming. Let it cool at room temperature for about 15 minutes, then refrigerate for at least 2 hours, until the filling is completely set and cold.
When the filling is set, preheat your oven to 350°F (175°C). Make the meringue: place the egg whites and cream of tartar in a clean, dry bowl. Beat with an electric mixer on medium speed until soft peaks form. Gradually add the remaining 1/4 cup (50 g) sugar, a tablespoon at a time, beating well after each addition. Increase the speed to high and beat until stiff, glossy peaks form and the sugar is dissolved (rub a little between your fingers—it should feel smooth, not gritty). Beat in the remaining 1 teaspoon vanilla.
Remove the plastic wrap from the pie. Spoon the meringue over the filling, making sure to spread it all the way to the edges of the crust so it touches the crust (this helps prevent shrinking). Swirl the meringue into peaks with the back of a spoon.
Bake for 12–15 minutes, until the meringue peaks are golden brown. Cool the pie on a wire rack for 1 hour, then refrigerate for at least 3 hours (or up to overnight) to let the meringue set and the pie firm up before slicing.

Tips

Prevent a soggy crust: Brush the bottom of your baked pie crust with a thin layer of melted white or dark chocolate and let it set before adding the filling. This creates a moisture barrier that keeps the crust crisp.
No weeping meringue: Make sure the filling is completely cool before adding the meringue, and spread the meringue so it touches the crust all around—this seals it and prevents the meringue from pulling away and releasing water.
Room-temperature egg whites: For the fluffiest meringue, separate the eggs while cold, then let the whites sit at room temperature for 30 minutes before beating. This helps them whip to a greater volume.
Substitutions: You can use a gluten-free pie crust or a graham cracker crust if you prefer. For a dairy-free version, use a plant-based milk (like oat or almond) and a dairy-free butter substitute, but note that the filling may be slightly softer.

Serving Suggestions

Serve this pie chilled, straight from the refrigerator, for the cleanest slices. It’s wonderful on its own, but a dollop of lightly sweetened whipped cream or a scoop of vanilla ice cream takes it over the top. A sprinkle of chocolate shavings or a dusting of cocoa powder adds a pretty finish.

Variations

Mint Chocolate: Add 1/2 teaspoon of peppermint extract to the filling along with the vanilla, and garnish the meringue with a few crushed peppermint candies.
Mocha: Dissolve 1 tablespoon of instant espresso powder in the milk before adding it to the dry ingredients for a coffee-chocolate twist.
Dark Chocolate: Use all dark chocolate (60–70% cacao) in the filling for a more intense, less sweet pie.
No-Meringue Version: If you’re short on time, top the pie with sweetened whipped cream instead of meringue—skip the baking step and just chill until set.

Storage and Reheating

Store leftover pie in the refrigerator, loosely covered, for up to 3 days. The meringue may soften slightly over time, but it will still be delicious. This pie is meant to be served cold, so there’s no need to reheat. If you have leftover slices, enjoy them straight from the fridge. Freezing is not recommended, as the meringue and custard can separate and become watery when thawed.

Frequently Asked Questions

Why is my meringue weeping? Weeping is usually caused by undercooked meringue or by the filling being too warm when the meringue is added. Make sure the filling is completely chilled, and bake the meringue until the peaks are golden brown—this sets the egg whites and prevents moisture from leaking out.

Can I use a store-bought pie crust? Absolutely. A store-bought crust saves time and works perfectly. Just make sure it’s baked and completely cooled before adding the filling.

How do I know the filling is thick enough? The filling should be thick enough to coat the back of a spoon and hold its shape when you stir it. It will continue to thicken as it cools, so don’t worry if it seems a bit loose at first.

Can I use milk instead of whole milk? Yes, but the filling will be less rich and may be slightly less creamy. Whole milk gives the best texture, but 2% or even 1% will work in a pinch.

Why do I need cream of tartar? Cream of tartar is an acid that stabilizes the egg whites, helping them whip up to a greater volume and hold their shape longer. If you don’t have it, you can substitute 1 teaspoon of lemon juice or white vinegar.

Can I make this pie ahead of time? Yes, you can make the entire pie a day ahead. After the meringue is baked and the pie has cooled, keep it refrigerated until ready to serve. The meringue may soften a bit, but it will still look and taste great.

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Grandma’s Chocolate Meringue Pie Recipe