Dessert Lime Pie with a Buttery Graham Cracker Crust

Dessert lime pie is a chilled, tangy-sweet pie with a crisp graham cracker crust and a creamy filling made with lime juice, sweetened condensed milk, and egg yolks. Baking the filling briefly helps it set, while a long chill makes clean slices and balances the bright citrus with a rich, smooth texture.

Ingredients

1 ½ cups (150 g) finely crushed graham cracker crumbs
2 tablespoons (25 g) granulated sugar
5 tablespoons (70 g) unsalted butter, melted
4 large egg yolks (about 72 g)
1 can (14 oz / 397 g) sweetened condensed milk
½ cup (120 ml) fresh lime juice, from about 4 to 6 limes
1 tablespoon (6 g) finely grated lime zest
¾ cup (180 ml) cold heavy cream, for topping
1 tablespoon (8 g) powdered sugar, for topping
⅛ teaspoon fine salt

Instructions

Heat the oven to 350°F (175°C). Set a 9-inch (23 cm) pie plate on a baking sheet. The sheet makes the pie easier to move in and out of the oven.
Stir the graham cracker crumbs, granulated sugar, melted butter, and salt in a medium bowl until the crumbs are evenly moistened and resemble damp sand. Press the mixture firmly across the bottom and up the sides of the pie plate. Use the flat bottom of a measuring cup to compact it, especially around the base of the sides.
Bake the crust for 8 minutes, then place it on a rack while you make the filling. Keep the oven on. A brief bake helps the crust hold together, but it should not become deeply browned.
Whisk the egg yolks in a medium bowl until smooth. Whisk in the condensed milk, then the lime juice and zest. The mixture will thicken slightly as the citrus reacts with the milk. Pour it into the warm crust and smooth the top.
Bake for 10 minutes, until the filling looks set around the edges but still has a slight, gentle wobble in the center. Do not wait for the center to become firm in the oven; it will finish setting as it cools. Egg dishes should reach 160°F (71°C), the USDA FSIS safe minimum; check the center with an instant-read thermometer if you want to verify it. Avoid touching the crust with the thermometer tip.
Cool the pie on a rack for 1 hour, then cover it loosely and refrigerate for at least 4 hours, or until thoroughly cold and firm. Do not put a hot pie straight into the refrigerator; cool it promptly and refrigerate within 2 hours of baking.
Just before serving, whip the cold heavy cream with the powdered sugar until it holds soft-to-medium peaks. Spread or pipe it over the chilled pie. For neat slices, use a sharp knife wiped clean between cuts.

Tips

Measure the juice rather than relying on lime count. Lime size and juiciness vary, so use ½ cup (120 ml). Fresh juice gives a bright flavor; bottled juice can work in a pinch but may taste less fragrant.
Press the crust firmly. Loose crumbs can crumble when the pie is sliced. Compact the base and sides evenly without making the crust so thick that it overwhelms the filling.
Watch the filling, not just the clock. Ovens and pie plates vary. Remove the pie when the edges are set and the middle has a slight wobble; overbaking can make the filling tough or cause small cracks.
Keep the topping cold. Whip the cream shortly before serving for the best texture. If making the pie ahead, chill the pie uncovered only until fully cold, then cover it; add the whipped cream later.

Serving Suggestions

Serve the pie cold, cut into eight slices. Its tart filling and buttery crumb crust pair well with unsweetened coffee or black tea. Add a little extra lime zest over the cream, or serve slices with a few fresh berries for color. If you prefer a sharper citrus note, offer thin lime wedges alongside rather than squeezing extra juice over the finished slices, which can soften the topping.

Variations

Key lime-style flavor: Replace some or all of the regular lime juice with bottled Key lime juice if available. Key limes are smaller and more aromatic; regular Persian limes are a practical substitute and make a similarly tart pie.
Gingersnap crust: Swap the graham crumbs for 1 ½ cups (150 g) finely crushed gingersnap cookies. Their spice makes the crust sweeter and more pronounced, so omit the added sugar if the cookies are already very sweet.
Gluten-free crust: Use 1 ½ cups (150 g) gluten-free graham-style crumbs and check that the package is labeled gluten-free. The filling remains unchanged.
Toasted topping: Instead of whipped cream, top with meringue made from pasteurized egg whites and brown it briefly under a broiler, watching continuously. Keep the pie chilled afterward; do not leave it out for extended periods.

Storage and Reheating

Refrigerate the pie within 2 hours of baking and keep it covered. It is best within 3 days and can be kept refrigerated for up to 4 days; the crust may soften gradually. Store whipped cream separately when possible and add it shortly before serving. This pie is served cold, so reheating is not recommended. For longer storage, freeze the unadorned pie, tightly wrapped, for up to 1 month. Thaw it overnight in the refrigerator and add freshly whipped cream before serving. Do not thaw it on the counter.

Frequently Asked Questions

Can I make dessert lime pie the day before?
Yes. Bake and chill the pie a day ahead, then cover it once fully cold. Add the whipped cream close to serving time so it stays fluffy and does not absorb refrigerator odors.

Can I use bottled lime juice?
Yes, use ½ cup (120 ml). The pie will still set, though fresh juice and zest usually give it a livelier aroma. If using bottled juice, keep the zest if you can; it adds fragrant lime oils.

Why is my pie filling runny?
It may not have baked long enough, or it may not have chilled sufficiently. The center should wobble only slightly when the pie comes out of the oven, then the pie needs at least 4 hours in the refrigerator to firm up. Make sure the oven is fully preheated.

Why did the filling crack?
Cracks can form if the pie is baked too long or cools too quickly. A small crack does not affect the flavor. Next time, take it out while the center still has a gentle wobble and cool it on a rack before chilling.

Can I make it without eggs?
This recipe depends on egg yolks for its baked custard texture, so simply leaving them out will not give the same result. Use a tested egg-free lime pie recipe with an appropriate thickener rather than changing these quantities.

Can I freeze individual slices?
Yes. Freeze slices without whipped cream, separated by parchment and wrapped airtight, for up to 1 month. Thaw each slice in the refrigerator; the crust may be softer after thawing.

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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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