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7-Ingredient Key Lime Pie Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.3 from 2 reviews
  • Author: Evelyn
  • Prep Time: 20 minutes
  • Cook Time: 28 minutes
  • Total Time: 3 hours 35 minutes (including chilling time)
  • Yield: 10 servings
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Description

This 7-Ingredient Key Lime Pie features a buttery graham cracker and macadamia nut crust filled with a tangy, creamy key lime custard, baked to perfection and chilled for a refreshing dessert that’s easy to make and perfect for any occasion.


Ingredients

Crust

  • 11 full-sheet graham crackers (about 160g)
  • 1/2 cup (62g) salted macadamia nuts, roasted
  • 2 Tablespoons (25g) granulated sugar
  • 5 Tablespoons (71g) unsalted butter, melted

Filling

  • 28 ounces (two 14-ounce cans/793g) full-fat sweetened condensed milk
  • 1 cup (240ml) key lime juice
  • 4 large egg yolks
  • 1 teaspoon key lime zest

Garnish (Optional)

  • Lime zest
  • Quartered lime slices
  • Macadamia nuts
  • Whipped cream or meringue topping


Instructions

  1. Preheat Oven: Set your oven to 350°F (177°C) to prepare for baking the pie.
  2. Make the Crust: In a food processor, pulse the graham crackers and macadamia nuts into coarse crumbs with some larger nut pieces remaining. Transfer to a medium bowl, stir in sugar, then add melted butter. Stir until combined to form a thick, coarse, sandy mixture. Press the mixture into an ungreased 9-inch pie dish using your hand with medium pressure, smoothing and shaping the crust to have a rounded edge.
  3. Pre-bake Crust: Bake the crust at 350°F for 8 minutes. Remove from oven and keep oven on for the filling step.
  4. Prepare the Filling: In a bowl, whisk together the sweetened condensed milk, key lime juice, and egg yolks until smooth. Stir in the lime zest.
  5. Fill the Crust: Pour the lime filling into the warm pre-baked crust, spreading evenly.
  6. Bake the Pie: Bake in the preheated oven for 18 to 20 minutes until the filling is mostly set but still slightly jiggly in the center.
  7. Cool and Chill: Remove from oven and allow the pie to cool completely on a wire rack. Then cover and refrigerate for at least 1 hour or up to 3 days to fully set and develop flavor.
  8. Garnish and Serve: Add desired garnishes such as lime zest, lime slices, macadamia nuts, whipped cream, or meringue just before serving.
  9. Storage: Store any leftovers covered in the refrigerator for up to 1 week.

Notes

  • Use full-fat sweetened condensed milk for the best creamy texture.
  • Be careful not to overbake the filling; it should remain slightly jiggly to ensure a smooth custard.
  • Pat the crust gently but firmly to avoid it falling apart when sliced.
  • Key lime zest adds bright flavor, but can be omitted if unavailable.
  • Leftover pie flavors improve if chilled overnight.