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Easy Key Lime Pie Recipe

A creamy, tangy Key Lime Pie made with real Key limes, sweetened condensed milk, and a golden graham crust. Simple, fresh, and perfectly balanced between tart and sweet.
Servings 8 people
Prep Time 15 minutes
Cook Time 25 minutes
Resting time 4 hours
Total Time 4 hours 40 minutes

Equipment

  • 9 inch Pie pan
  • Zester
  • Hand Mixer

Ingredients

Crust

  • cups graham cracker crumbs
  • 6 tablespoons melted butter
  • ¼ cup sugar

Filling

  • 3 large egg yolks
  • 1 can 14 oz sweetened condensed milk
  • ½ cup fresh Key lime juice about 20–25 small limes
  • 1 tablespoon lime zest

Topping

  • 1 cup heavy cream
  • 2 tablespoons powdered sugar
  • ½ teaspoon vanilla extract

Instructions

Prepare the Crust

  • Preheat your oven to 180°C (350°F).
  • In a medium bowl, combine graham cracker crumbs, melted butter, and sugar. Stir until the mixture resembles wet sand.
  • Chef’s tip: Press a handful in your palm — if it holds its shape, it’s perfect.
  • Pour the mixture into your pie pan. Use the bottom of a glass or measuring cup to press it evenly along the bottom and sides.
  • Bake the crust for 8–10 minutes until lightly golden and fragrant.
  • Remove and let it cool completely while you prepare the filling.

Separate and Beat the Egg Yolks

  • Separate the egg yolks from the whites (save the whites for meringue if you like).
  • In a large bowl, beat the yolks on medium speed for 2–3 minutes, until slightly thickened and pale.
  • Tip: You’ll know it’s right when the yolks lighten in color and leave soft ribbons when whisked.

Add Sweetened Condensed Milk

  • Pour in the can of condensed milk.
  • Beat again for 2 minutes until the mixture is smooth and creamy.
  • The texture should look glossy — that’s when you know it’s ready for the lime juice.

Slowly Add Lime Juice and Zest

  • With the mixer on low, gradually pour in the Key lime juice while whisking continuously.
  • Important: Don’t dump it all at once. The acid in the juice thickens the mixture, and adding it too quickly can make it curdle.
  • Stir in the lime zest for extra aroma and flavor.
  • Mix just until smooth and combined.

Fill and Bake the Pie

  • Pour the filling into the cooled crust and smooth the top with a spatula.
  • Tap the pan gently on the counter to release any air bubbles.
  • Bake for 15–18 minutes, just until the edges are set but the center still has a slight wobble.
  • Chef’s note: Overbaking causes cracks, so pull it out even if it feels slightly underdone. It’ll finish setting as it cools.

Cool and Chill

  • Remove the pie from the oven and cool it on a rack for 1 hour.
  • Then refrigerate for at least 4 hours, or overnight for the best texture.
  • Tip: Don’t rush this part. The chill time lets the flavors settle and gives that perfect creamy texture.

Whip the Cream

  • Just before serving, beat heavy cream, powdered sugar, and vanilla until soft peaks form.
  • Soft peaks: The cream should hold its shape but still look smooth and pillowy.
  • Spread or pipe the whipped cream over the chilled pie.
  • Sprinkle a little lime zest or toasted coconut for garnish if you like.

Slice and Serve

  • Use a warm knife (dip it in hot water and wipe dry) for clean slices.
  • Serve cold, ideally with a cold brew or a mojito on the side.

Notes

  • Key Lime Substitute: Mix equal parts regular lime and lemon juice if real Key limes aren’t available.
  • Extra Tangy Version: Add an extra teaspoon of zest to the filling.
  • No Mixer? A whisk works fine — it’ll just take longer to blend.
  • Make-Ahead Tip: The pie keeps beautifully for up to 3 days in the fridge.
  • For Meringue Lovers: Top with meringue instead of whipped cream, then toast it lightly with a kitchen torch.
Author: The Gourmet Palette
Calories: 420kcal
Course: Dessert
Cuisine: American
Keyword: authentic key lime pie, citrus pie, easy lime pie, key lime pie, key lime tart, traditional american dessert

Nutrition

Calories: 420kcal | Carbohydrates: 40g | Protein: 6g | Fat: 25g | Sodium: 190mg | Sugar: 33g