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key lime pie on white background
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Easy Key Lime Pie with Graham Crust

Easy Key Lime Pie is vibrantly sweet yet tart, refreshingly cool and flavorful. A simple pie you'll make all season long. Or even, all year long.
Prep Time10 minutes
Cook Time25 minutes
Total Time35 minutes
Servings: 12 servings
Calories: 276kcal
Author: Stephanie Wilson

Ingredients

Graham Cracker Crust:

  • 1-1/2 cups graham cracker crumbs
  • 5 tablespoons melted butter
  • 1/3 cup sugar

Filling:

  • 3 egg yolks
  • 2 teaspoons lime zest
  • 14- ounce can sweetened condensed milk
  • 1/2 cup Key lime juice (freshly squeezed or store bought)
  • 1/4 cup sour cream

Topping:

  • 1 cup heavy or whipping cream chilled
  • 2 tablespoons confectioners' sugar

Instructions

Graham Cracker Crust

  • Preheat the oven to 350℉. Crush the graham crackers; a food processor, a sealed plastic bag, and a rolling pin). Add the melted butter and sugar into the crumbs and stir to combine and coat the crumbs completely. Press into the bottom and side of a 9-inch pie pan. Bake the crust until set and golden, about 8 minutes. Set aside to cool, but leave the oven on.

Key Lime Filling

  • Whisk together the egg yolks and lime zest until very light and fluffy. An electric mixer with a whisk attachment or a hand-held whisk works great. Stir in the condensed milk, lime juice, and sour cream until combined. Let the filling sit for 15 minutes at room temperature to thicken.
  • Pour the filling into the crust and spread evenly. Bake for 15 to 18 minutes, or until the filling has just set, it should still wiggle a little. Cool on a wire rack for 40 to 45 minutes, then refrigerate for 4 hours. Before slicing, I like to freeze for 15 to 20 minutes.

For the Topping

  • Whip the cream and the confectioners' sugar until nearly stiff. Cut the pie into wedges and serve very cold. Top each pie slice with a large dollop of whipping cream and additional lime zest if desired.

Nutrition

Calories: 276kcal | Carbohydrates: 29g | Protein: 5g | Fat: 16g | Saturated Fat: 10g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 0.2g | Cholesterol: 95mg | Sodium: 112mg | Potassium: 172mg | Fiber: 0.2g | Sugar: 27g | Vitamin A: 596IU | Vitamin C: 4mg | Calcium: 123mg | Iron: 0.4mg