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Easy Key Lime Pie Recipe

4.7 from 75 reviews

This Easy Key Lime Pie recipe offers a creamy, tangy dessert with a buttery graham cracker crust, filled with a luscious mixture of key lime juice, zest, egg yolks, and sweetened condensed milk. A simple yet elegant pie that combines fresh citrus flavors with a hint of sweetness, perfect for any occasion.

Ingredients

Scale

Crust

  • 1/3 cup butter (melted)
  • 1/4 cup sugar
  • 1 1/4 cup graham cracker crumbs

Filling

  • 4 egg yolks
  • 6 key limes (for zesting and juicing)
  • 14 ounces sweetened condensed milk
  • Nellie & Joe’s Famous Key West Lime Juice (to make up 1/2 cup if needed)

Garnish (optional)

  • Whipped topping
  • Lime slices
  • Additional lime zest

Instructions

  1. Prepare the crust: In a medium bowl, combine the melted butter and sugar. Stir in the graham cracker crumbs until evenly mixed.
  2. Form the crust: Press the crumb mixture firmly and evenly into the bottom and sides of a 9-inch pie plate, using the bottom of a measuring cup to compact it tightly. Chill in the refrigerator for one hour until firm, or bake in a 375°F oven for 5 minutes, then allow to cool before filling.
  3. Preheat oven and juice limes: Preheat the oven to 350°F. Zest the key limes to obtain about 2 teaspoons of zest, then juice the limes. Pour the fresh key lime juice into a 1/2 cup measuring cup; if the volume is less than 1/2 cup, top off with bottled key lime juice.
  4. Whisk eggs: Using a stand or electric mixer, whisk the egg yolks on medium speed until they become thick and turn a light yellow color.
  5. Add condensed milk: Slowly add the sweetened condensed milk to the egg yolks while mixing on low speed, blending the mixture smoothly.
  6. Mix in lime: Gradually add the key lime juice and zest to the mixture, continuing to mix on low speed just until combined; avoid overmixing.
  7. Fill and bake: Pour the filling into the prepared pie crust and bake in the preheated oven for 15 minutes.
  8. Cool and chill: Remove the pie from the oven and let it cool to room temperature. Then refrigerate until fully chilled and ready to serve.
  9. Serve: Garnish with whipped topping, fresh lime slices, and additional lime zest if desired before serving.

Notes

  • If you don’t have enough fresh key lime juice, bottled key lime juice is an excellent substitute for balancing flavor.
  • Chilling the crust instead of baking is a great no-bake option to keep the crust crisp and buttery.
  • Use a fine microplane zester to get bright, fine lime zest without the bitter white pith.
  • Do not overbake the pie; 15 minutes helps the filling set without curdling the eggs.
  • For best flavor, refrigerate the pie at least 2 hours before serving.

Keywords: Key Lime Pie, easy key lime pie, graham cracker crust, citrus dessert, summer pie, quick dessert