Key Lime Pie Company Cocoa Beach-Style Key Lime Pie

This Cocoa Beach-style key lime pie is a Florida favorite: a crisp graham cracker crust filled with a smooth, tart custard made from key lime juice, egg yolks, and sweetened condensed milk. A brief bake sets the filling, and a long chill makes each slice neat and cool; finish it with whipped cream if you like.

Ingredients

1½ cups (150 g) finely crushed graham cracker crumbs
⅓ cup (67 g) granulated sugar
6 tablespoons (85 g) unsalted butter, melted
4 large egg yolks, at room temperature
1 can (14 oz / 397 g) sweetened condensed milk
½ cup (120 ml) key lime juice, preferably fresh
1 teaspoon finely grated key lime zest, optional
1 cup (240 ml) cold heavy whipping cream, for serving (optional)
1 tablespoon (8 g) powdered sugar, for serving (optional)
¼ teaspoon vanilla extract, for serving (optional)

Instructions

Heat the oven to 350°F (175°C). Set a 9-inch (23 cm) pie plate on a baking sheet. In a bowl, stir together the graham cracker crumbs and granulated sugar, then mix in the melted butter until the crumbs are evenly moistened. Press the mixture firmly across the base and up the sides of the pie plate. Use the flat bottom of a measuring cup to compact it.
Bake the crust for 8 minutes, then set it aside to cool slightly while you prepare the filling. Keep the oven on. A short bake helps the crust hold together once the filling is added.
In a medium bowl, whisk the egg yolks until smooth. Whisk in the sweetened condensed milk, key lime juice, and zest, if using. Mix just until evenly combined; avoid beating in lots of air, which can make the surface foamy. Pour the filling into the warm crust and smooth the top.
Bake for 10 minutes, until the edges look set and the center still has a slight, gentle wobble. Because this filling contains eggs, use a food thermometer to check the center: it should reach 160°F (71°C), the USDA FSIS safe minimum for egg dishes. If it has not reached that temperature after 10 minutes, continue baking in short intervals and check again.
Move the pie to a rack and cool at room temperature for about 45 minutes. Refrigerate uncovered until thoroughly chilled and firm, at least 4 hours. Once cool, cover it loosely. Do not leave the pie at room temperature for more than 2 hours in total.
For optional whipped cream, beat the cold heavy cream with the powdered sugar and vanilla until it holds soft peaks. Spread or pipe it onto the chilled pie just before serving, or serve it alongside. Slice with a clean knife, wiping the blade between cuts.

Tips

Key limes or regular limes: Fresh key limes give a small, aromatic citrus flavor, but bottled key lime juice works when fresh fruit is unavailable. Regular Persian lime juice is a practical substitute; it tastes a little less floral and may be slightly less tart, so taste the filling before baking and keep the stated quantity for a balanced set.
Measure crumbs by weight when possible. Crumb size and how firmly cups are packed affect the crust. If measuring by volume, use finely crushed crumbs and press them firmly into the plate so the sides do not crumble when sliced.
Do not judge doneness by color. The filling stays pale. Look for set edges and a subtle wobble in the middle, then confirm 160°F (71°C) with a thermometer. Overbaking can make the filling grainy or cause cracks.
Allow enough chilling time. The pie may seem soft after cooling, but it firms in the refrigerator. Chill at least 4 hours before cutting; overnight chilling is convenient and gives clean slices.

Serving Suggestions

Serve the pie cold in modest wedges, with lightly sweetened whipped cream and a fine pinch of lime zest. For a simple finish, add a thin lime wheel or a few curls of zest to each slice. Coffee or unsweetened iced tea pairs well with the rich, sweet-tart filling. If serving outdoors in Cocoa Beach or another warm setting, keep the pie refrigerated until just before dessert and return it to the refrigerator promptly.

Variations

For a slightly saltier crust, add a small pinch of fine salt to the crumbs. Gluten-free graham-style crumbs can replace standard graham crackers in the same measured amount; check the package for sweetness and adjust the crust sugar slightly if needed. For a more pronounced citrus finish, increase the finely grated zest to 2 teaspoons without increasing the juice. You can also leave off the whipped cream for a sharper, more traditional presentation. Avoid changing the quantity of condensed milk or lime juice substantially, since the balance affects both the set and the sweet-tart flavor.

Storage and Reheating

Refrigerate the pie within 2 hours of baking or serving, covering it once completely cool. Keep it refrigerated at 40°F (4°C) or below and eat within 3 to 4 days. Store whipped cream separately if you want the topping to stay fluffy, or add it just before serving. This pie is served cold and should not be reheated. For longer storage, freeze the pie without whipped cream, tightly wrapped, for up to 1 month for best texture. Thaw it overnight in the refrigerator; do not thaw it on the counter.

Frequently Asked Questions

Can I use bottled key lime juice?
Yes. Use ½ cup (120 ml) bottled key lime juice. The flavor may be less fragrant than juice squeezed from fresh key limes, but the pie should still set properly when the measurements and baking temperature are followed.

Can I use regular lime juice instead of key lime juice?
Yes. Substitute the same amount of freshly squeezed Persian lime juice. It makes a good pie, although its citrus aroma and tartness differ slightly from key limes.

Why is my filling runny?
It may not have reached the required temperature, or it may not have chilled long enough. Confirm the center reaches 160°F (71°C), then refrigerate for at least 4 hours before slicing. Warm pie will be softer than fully chilled pie.

Can I make the pie a day ahead?
Yes. Bake and chill it the day before, then cover and keep it refrigerated. Add whipped cream shortly before serving for the freshest texture.

Do I need to prebake the crust?
Yes. The 8-minute bake helps the buttered crumbs set and keeps the crust from becoming soggy when the filling goes in. Let it cool slightly, rather than fully, before filling.

Can I freeze leftover slices?
Yes. Freeze slices without whipped cream, wrapped airtight, for up to 1 month for best quality. Thaw them in the refrigerator before serving and keep any thawed leftovers refrigerated.

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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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