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Key Lime Pie

Published: Sep 27, 2025 by Linda · This post may contain affiliate links ·

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Savor the Creamy Delight of Homemade Key Lime Pie

Step into a world of sweet and tangy perfection with this homemade Key Lime Pie recipe, blending a buttery graham cracker crust with a silky citrus filling that delivers pure comfort.

Whether it’s a casual family dinner or a festive weekend gathering, this pie captures the refreshing charm of Key limes and turns it into a classic dessert that never fails to impress.

Ideal for summer evenings, holidays, or just when you crave something special, this recipe celebrates the balance of tart and sweet in a timeless way. Ready to bring sunshine to your table with each slice? Let’s dive into this creamy and utterly satisfying pie.

Key Lime Pie: A Classic Dessert Full of Citrus Flavor

This Key Lime Pie recipe not only delivers on creaminess but also enhances flavor with fresh lime zest and a rich, tangy base. The graham cracker crust provides a crunchy contrast to the smooth filling, creating a dessert that’s both elegant and easy to make.

With just a few steps, you’ll transform simple ingredients into a pie that embodies tradition and joy. As you prepare it, you’ll find it’s much easier than most desserts yet tastes like it came straight from a bakery.

For even more sweet inspiration, you may also enjoy trying treats like candied carrots or a bundt cake breakfast, which pair beautifully with this classic pie on a dessert table.

Pro Tips for the Perfect Key Lime Pie:

  1. Fresh Juice Matters: Use freshly squeezed Key limes rather than bottled juice for authentic flavor and brightness.
  2. Chill Time Counts: Let the pie chill for at least four hours so the filling fully sets.
  3. Don’t Skip the Zest: Lime zest amplifies the flavor and adds a fragrant note to every bite.
  4. Gentle Whipping: When preparing the topping, whip until soft peaks form, avoiding over-beating.
  5. Crust Consistency: Press the crust firmly and evenly into the pan to avoid cracks after baking.

Key Lime Pie Recipe

  • Preparation time: 20 minutes
  • Cooking time: 25 minutes
  • Chilling time: 4 hours
  • Servings: 8
  • Equipment: Food processor, springform pan, mixing bowls, whisk

With its smooth custard filling and crisp crust, this Key Lime Pie turns every occasion into a celebration of flavor.

Ingredients:

For the Crust:

  • 10 whole graham crackers (5.5 ounces; 155 g)
  • 3 tablespoons granulated sugar (1.5 ounces; 43 g)
  • ½ teaspoon Diamond Crystal kosher salt (use half if table salt)
  • 5 tablespoons unsalted butter, melted and cooled (2.5 ounces; 75 g)

For the Filling:

  • 1 (14-ounce; 397 g) can sweetened condensed milk
  • 4 large egg yolks
  • ½ cup (118 ml) freshly squeezed Key lime juice (about 20 limes)
  • 2 teaspoons grated Key lime zest, plus more for garnish

For the Topping:

  • ¼ cup (65 g) mascarpone cheese
  • 2 tablespoons (15 g) powdered sugar
  • ¾ cup (177 ml) heavy whipping cream

Directions:

  1. Prepare the Oven: Preheat to 375°F (190ºC). Place graham crackers, sugar, and salt into a food processor. Process until fine crumbs form, about 20 seconds. Add butter and pulse to combine.
  2. Form the Crust: Press mixture firmly into the bottom and sides of a springform pan, about 1 inch high. Chill for 15 minutes. Bake until edges are lightly browned, 8–10 minutes. Let cool completely on a wire rack, around 30 minutes.
  3. Lower the Heat: Reduce oven temperature to 325°F (160ºC). Combine condensed milk, egg yolks, lime juice, and zest in the processor. Blend until smooth and creamy, about 20 seconds.
  4. Bake the Filling: Pour mixture into cooled crust. Bake for 13–16 minutes, until set but slightly jiggly in the center. Cool for 30 minutes on a rack, then refrigerate at least 4 hours.
  5. Make the Topping: Whisk mascarpone and powdered sugar until smooth. Slowly add cream and whisk until soft peaks form, 1–2 minutes.
  6. Finish and Serve: Remove pie from pan, transfer to plate, top with cream, and garnish with lime zest. Serve chilled.

Why This Key Lime Pie Recipe Stands Out

This recipe shines because it uses the natural tartness of Key limes and balances it with creamy sweetness. The crust is sturdy, buttery, and adds just the right crunch. When chilled, the pie slices cleanly and looks stunning topped with whipped cream.

Additionally, you can explore other delightful desserts such as sticky bun breakfast ring or easy Dutch oven no-knead bread, which complement the freshness of this pie beautifully.

Key Lime Pie for Every Occasion

From holiday feasts to summer barbecues, Key Lime Pie fits right in. It’s refreshing, light, and crowd-pleasing. Guests love the creamy texture, and the vibrant flavor makes every bite memorable.

Pair it with a cozy meal like chicken bacon ranch casserole with potatoes for a hearty dinner, then serve pie as the perfect ending. For more fruity desserts, try classics like pear preserves to enjoy alongside this treat.

Ready to Relish!

This homemade Key Lime Pie is more than just a dessert—it’s an experience of bright flavor and creamy indulgence. With its balance of sweetness and tang, it quickly becomes a family favorite.

Serve it with confidence, knowing every slice will bring smiles. Whether it’s a summer picnic, holiday dinner, or just a weekday craving, this pie delivers joy. So grab those Key limes, whip up the filling, and savor the magic.

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Key Lime Pie

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With its smooth custard filling and crisp crust, this Key Lime Pie turns every occasion into a celebration of flavor.

  • Total Time: 45 minutes
  • Yield: 8 1x

Ingredients

Scale

For the Crust:

  • 10 whole graham crackers (5.5 ounces; 155 g)

  • 3 tablespoons granulated sugar (1.5 ounces; 43 g)

  • ½ teaspoon Diamond Crystal kosher salt (use half if table salt)

  • 5 tablespoons unsalted butter, melted and cooled (2.5 ounces; 75 g)

For the Filling:

  • 1 (14-ounce; 397 g) can sweetened condensed milk

  • 4 large egg yolks

  • ½ cup (118 ml) freshly squeezed Key lime juice (about 20 limes)

  • 2 teaspoons grated Key lime zest, plus more for garnish

For the Topping:

  • ¼ cup (65 g) mascarpone cheese

  • 2 tablespoons (15 g) powdered sugar

  • ¾ cup (177 ml) heavy whipping cream

Instructions

  • Prepare the Oven: Preheat to 375°F (190ºC). Place graham crackers, sugar, and salt into a food processor. Process until fine crumbs form, about 20 seconds. Add butter and pulse to combine.

  • Form the Crust: Press mixture firmly into the bottom and sides of a springform pan, about 1 inch high. Chill for 15 minutes. Bake until edges are lightly browned, 8–10 minutes. Let cool completely on a wire rack, around 30 minutes.

  • Lower the Heat: Reduce oven temperature to 325°F (160ºC). Combine condensed milk, egg yolks, lime juice, and zest in the processor. Blend until smooth and creamy, about 20 seconds.

  • Bake the Filling: Pour mixture into cooled crust. Bake for 13–16 minutes, until set but slightly jiggly in the center. Cool for 30 minutes on a rack, then refrigerate at least 4 hours.

  • Make the Topping: Whisk mascarpone and powdered sugar until smooth. Slowly add cream and whisk until soft peaks form, 1–2 minutes.

 

  • Finish and Serve: Remove pie from pan, transfer to plate, top with cream, and garnish with lime zest. Serve chilled.

  • Author: Linda
  • Prep Time: 20 minutes
  • Cook Time: 25 minutes

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Linda Cooking

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Hi, I’m Linda! I love cooking simple, yummy meals that make people smile. On my blog, you’ll find easy recipes made with love for family and friends.

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