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Key Lime Pie Recipe

Key Lime Pie Recipe

Make this Key Lime Pie Recipe today: creamy, tart, and easy to assemble for sunny gatherings.

Ingredients

Instructions

Step 1: Preheat and ready the pie dish

Preheat your oven to 350°F (175°C) and position a rack in the center. Place a clean 9-inch (23 cm) pie dish on a rimmed baking sheet so it's easy to move later; this is the simple prep that makes everything smooth. Keep the pie dish and baking sheet together on the Calacatta-like surface so they become part of the same visual story as you work.

Step 2: Combine dry crumbs and sugar

In a medium matte grey ceramic bowl, stir 1 1/2 cups finely crushed graham cracker crumbs, 1/3 cup granulated sugar, and 1/8 teaspoon fine sea salt with a fork until evenly distributed. The mixture should read as uniformly grainy and dry — think fine, pale sand ready to accept butter. Keep a small clear glass jar of extra sugar and a tiny ramekin of salt nearby for visual balance.

Step 3: Add melted butter and form the crust

Pour 5 tablespoons melted, slightly cooled unsalted butter into the crumb bowl and stir with the same fork until every crumb looks moistened and the texture resembles damp sand that clumps when pressed. Transfer the crumb mix to the 9-inch pie dish and use your fingers then the flat bottom of a measuring cup to press an even layer up the sides and across the base, smoothing and compacting without any bare spots. Set the filled pie dish on its baking sheet ready to par-bake.

Step 4: Par-bake and cool the crust

Slide the baking sheet with the pie dish (no oven visible) into the preheated space implied, and par-bake until the crust is fragrant and just beginning to darken at the edges — the surface should look set but not browned. Remove and let the crust rest on a wire rack for about 10 minutes; tip the oven temperature down to 325°F (165°C) for the later bake so it's ready. The cooled crust should hold together when tapped and show a slightly firmer surface.

Step 5: Whisk yolks and lime zest into a pale base

In the same matte grey ceramic bowl, vigorously whisk together 4 large room-temperature egg yolks and 1 tablespoon finely grated key lime zest until the mixture thickens slightly and turns pale and creamy, releasing fragrant oils from the zest. The surface should look satin-smooth and slightly fluffier — a bright yellow base turning toward creamy as it aerates. Add the condensed milk and whisk again until completely glossy and uniform.

Step 6: Finish the lime filling

Slowly pour in 2/3 cup key lime juice while whisking constantly, along with 1/8 teaspoon fine sea salt, until the filling is perfectly smooth and slightly thickened with no streaks or separation. Let the mixture rest for about 5 minutes so air bubbles rise, then tap the bowl to release excess bubbles; the final filling should be thick, glossy, and pale green, emulsified and homogenous.

Step 7: Fill the crust and bake until set

Pour the lime filling into the still-warm par-baked crust, using a flexible spatula to scrape the bowl and smooth the top into an even layer. Gently jiggle the pie dish to level the surface and remove any residual bubbles. Return the pie on its baking sheet to the reduced 325°F environment for 12–15 minutes until the edges are set and tiny pin-sized bubbles appear around the perimeter while the very center retains a slight wobble. Remove and transfer to a wire rack to cool.

Step 8: Chill and whip the cream

After the pie cools to barely warm, refrigerate uncovered for at least 3–4 hours to fully set. Near the end of chill time, place the same matte grey mixing bowl and the beaters in the refrigerator to chill. Pour 1 cup very cold heavy cream into the chilled bowl with 2 tablespoons sifted powdered sugar, 1/2 teaspoon vanilla, and a tiny pinch salt. Beat until medium-soft to medium-stiff peaks form — smooth, billowy, and glossy, ready to pipe or spread.

Step 9: Top, garnish, and serve

Either spread the whipped cream into an even layer over the thoroughly chilled pie or transfer it to a piping bag and pipe rosettes around the edge, leaving some lime filling visible in the center. Finish with about 1 teaspoon finely grated lime zest and 4–6 very thin lime slices arranged evenly. For the cleanest slices refrigerate an extra 20–30 minutes before cutting. Store leftovers covered in the refrigerator for up to 3 days.

Notes