Best Key Lime Pie

Best Key Lime Pie


  • Graham cracker crust
  • 1 1/2 cups graham cracker crumbs
  • 1/3 cup granulated sugar
  • 6 tbsp butter melted
  • Key Lime Filling
  • 28 oz sweetened condensed milk
  • 1/2 cup light sour cream
  • 3/4 cup key lime juice
  • zest from 2 regular limes or 4 key limes
  • Whipped Cream Topping
  • 1 cup heavy whipping cream
  • 1/2 cup powdered sugar
  • 1 tsp vanilla extract


  1. Graham cracker crust

  2. Preheat oven to 375F.

  3. Mix graham cracker crumbs, sugar, and butter in a small bowl. Press the crumb mixture into an 8” - 9.5” pie pan. Bake for 7 minutes. Cool for at least 30 minutes.

  4. Key Lime Filling

  5. Preheat oven to 350F

  6. Whisk together sweetened condensed milk, sour cream, lime juice, and lime zest in a medium bowl. Pour into prepared graham cracker crust and bake for 10 minutes.

  7. Let pie cool slightly before chilling. Chill for at least 3 hours.

  8. Whipped Cream Topping

  9. Beat heavy cream and sugar together in a mixer until stiff peaks form. Beat in vanilla. Spread or pipe the whipped cream on top of the cooled pie. Top with additional lime zest if desired.

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