Key Lime Pie Recipe

Looking for a dessert that’s both creamy and tangy, with a tropical twist? Key lime pie is a classic that’s hard to resist. Perfect for summer days or anytime you want to treat yourself to something refreshing, this pie combines the tartness of key limes with the creaminess of condensed milk, all on a buttery graham cracker crust. In this recipe, we’ll break down everything you need to know about making an unforgettable key lime pie. Read on for step-by-step instructions, ingredient lists, and expert tips to create a show-stopping dessert that everyone will love!

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What is Key Lime Pie?

Key lime pie is a beloved American dessert originating from the Florida Keys, where small, aromatic key limes grow. The recipe traditionally includes key lime juice, sweetened condensed milk, egg yolks, and a graham cracker crust. The result is a smooth, creamy filling with just the right amount of tartness, which balances perfectly with the crumbly, buttery crust. It’s often topped with whipped cream to cut through the acidity of the limes, making each bite a delicious blend of textures and flavors.

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Ingredients List for Key Lime Pie

Here’s everything you’ll need to create a mouth-watering key lime pie.

For the Crust:

• 1 ½ cups graham cracker crumbs (about 10-12 whole crackers)
• ⅓ cup granulated sugar
• ½ cup unsalted butter, melted

For the Filling:

• 4 large egg yolks
• 1 can (14 oz) sweetened condensed milk
• ½ cup key lime juice (freshly squeezed, if possible)
• 1 tablespoon lime zest (optional, for added flavor)

For the Topping:

• 1 cup heavy whipping cream
• 2 tablespoons powdered sugar
• ½ teaspoon vanilla extract
• Additional lime zest or thin lime slices for garnish (optional)

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Key Lime Pie Ingredient Notes

When making a traditional key lime pie, it’s ideal to use fresh key limes. These limes are smaller and more aromatic than regular limes, with a unique flavor that’s distinctively tart yet sweet. If you can’t find fresh key limes, bottled key lime juice is a good substitute. However, if neither is available, you can use regular limes, though the flavor won’t be as authentic.

The graham cracker crust is a classic choice for key lime pie, but you can get creative with it (more on that in the Substitutions and Variations section). The heavy whipping cream topping is optional but highly recommended to balance out the tart filling.

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Substitutions and Variations

Want to put a unique twist on your key lime pie? Here are some substitutions and variations you can try:

1. Use a Different Crust: Instead of graham crackers, try crushed digestive biscuits, vanilla wafers, or gingersnaps for an interesting flavor contrast.
2. Make It Gluten-Free: Substitute gluten-free graham crackers or other gluten-free cookies for the crust.
3. Experiment with Lime Types: If key limes aren’t available, Persian limes (the larger, more common variety) will work. The flavor will be slightly less intense but still delicious.
4. Add a Coconut Twist: Add ¼ cup of shredded coconut to the crust mixture for a tropical vibe.
5. Try a No-Bake Version: For a no-bake pie, skip baking the crust and filling. Chill the pie in the fridge for several hours or until set.

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Step-by-Step Cooking Instructions

Preparing the Crust

1. Preheat the Oven: Start by preheating your oven to 350°F (175°C).
2. Make the Crust Mixture: In a medium bowl, combine the graham cracker crumbs, granulated sugar, and melted butter. Stir until the crumbs are evenly coated and resemble wet sand.
3. Press the Crust: Transfer the crumb mixture to a 9-inch pie pan. Use the bottom of a glass or measuring cup to press the crumbs firmly and evenly into the bottom and sides of the pan.
4. Bake the Crust: Place the crust in the preheated oven and bake for 10 minutes. This will set the crust and give it a nice, toasty flavor. Let it cool while you prepare the filling.

Preparing the Filling

1. Whisk the Egg Yolks: In a medium bowl, whisk the egg yolks until they’re slightly thickened and pale.
2. Add Condensed Milk: Pour in the sweetened condensed milk and continue to whisk until well combined.
3. Add Lime Juice and Zest: Gradually add the key lime juice and zest, whisking until smooth. The mixture will start to thicken as the lime juice reacts with the condensed milk.

Baking the Pie

1. Pour Filling into Crust: Pour the lime filling into the cooled crust and spread it out evenly with a spatula.
2. Bake the Pie: Return the pie to the oven and bake for 15 minutes, just until the filling is set but still slightly jiggly in the center.
3. Cool the Pie: Remove the pie from the oven and let it cool to room temperature. Then, refrigerate for at least 2 hours or until fully chilled.

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How to Cook Key Lime Pie: A Step-by-Step Guide

1. Prepare the Ingredients: Gather all your ingredients and preheat your oven. Use freshly squeezed key lime juice for the best flavor.
2. Make and Bake the Crust: Mix graham cracker crumbs, sugar, and melted butter, then press it into your pie pan and bake for 10 minutes.
3. Mix the Filling: Whisk egg yolks, condensed milk, key lime juice, and zest until thickened.
4. Bake Again: Pour the filling into the crust and bake until just set.
5. Chill Before Serving: Refrigerate for a minimum of 2 hours to let the pie fully set.

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Common Mistakes to Avoid

1. Over-baking the Filling: Key lime pie filling should only be baked until it’s set but still has a slight jiggle. Over-baking can make the filling curdle or become too firm.
2. Using Bottled Lime Juice Without Checking Quality: Some bottled lime juices lack the aromatic qualities of fresh juice, so try to use a high-quality brand if you’re not juicing fresh limes.
3. Skipping the Chill Time: It’s essential to let the pie chill for at least 2 hours to fully set the filling and bring out the flavors.
4. Not Using Enough Lime Zest: Lime zest adds extra flavor and aroma. Don’t skip it if you want a truly bold key lime pie!

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Serving and Presentation Tips

Key lime pie is as much a visual treat as it is a flavorful one. Here are some ideas to make your presentation stand out.

1. Garnish with Lime Slices or Zest: A few thin lime slices or a sprinkle of zest adds a burst of color and hints at the flavors inside.
2. Add Whipped Cream: Pipe or dollop whipped cream around the edges for a classic look and creamy contrast to the tangy filling.
3. Use a Pie Dish with Ruffled Edges: A ruffled or decorative pie dish adds an elegant touch to the dessert’s appearance.
4. Serve with Fresh Mint Leaves: Add a couple of mint leaves for a pop of green and a refreshing aroma.

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How to Serve Key Lime Pie

Key lime pie is best served cold, straight from the refrigerator. This dessert is refreshing and light, making it an excellent choice after a hearty meal. Cut slices with a sharp knife, wiping it clean between cuts for smooth, clean slices. Serve with a dollop of whipped cream on top or alongside the slice. You can even add a thin lime wheel on top of each slice for added visual appeal.

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Presentation Ideas for Key Lime Pie

For special occasions or if you’re hosting guests, consider these presentation ideas:

• Serve in Mini Mason Jars: Make individual servings by layering crust and filling in small mason jars.
• Top with Meringue: For a unique twist, top the pie with a fluffy meringue instead of whipped cream, and lightly torch it for a toasted look.
• Add Edible Flowers: A few edible flowers like violets or pansies can make your pie look stunning and photogenic.

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Key Lime Pie Recipe Tips

• Use Fresh Limes When Possible: Freshly squeezed key lime juice has a depth of flavor that bottled juice often lacks.
• Chill Overnight for Best Results: The pie will be firmer and flavors more melded if it chills overnight.
• Add a Bit of Salt to the Crust: A pinch of salt in the crust can enhance the sweetness and bring out the lime’s tanginess.

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Frequently Asked Questions (FAQs)

1. Can I use regular limes instead of key limes? Yes, you can substitute regular limes, but the flavor will be slightly different as regular limes are less tart.

2. Can I make key lime pie ahead of time? Absolutely! Key lime pie actually benefits from being made a day ahead as it allows the flavors to meld.

3. Can I freeze key lime pie? Yes, you can freeze key lime pie. Just wrap it tightly in plastic wrap and foil, and freeze for up to one month. Thaw in the refrigerator before serving.

4. How do I know when the pie is done? The filling should be set around the edges but still slightly jiggly in the center when you remove it from the oven.

5. Is key lime pie gluten-free? Not traditionally, but you can make it gluten-free by using gluten-free graham crackers or cookies for the crust.

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Conclusion

Key lime pie is a delightful dessert that’s surprisingly easy to make and sure to impress. With a perfect balance of tangy, creamy, and sweet flavors, it’s a crowd-pleaser that brings a taste of the tropics to any occasion. Whether you’re a seasoned baker or just starting out, follow these steps and tips to make a key lime pie that looks and tastes amazing. Try it today and savor each zesty bite!

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