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Creamy Frozen Key Lime Pie Bars

creamy frozen key lime pie bars - featured image

A quick, no-bake dessert featuring a buttery graham cracker crust and a tangy, creamy key lime filling that freezes to a perfect texture.

Ingredients

Scale
  • 1 1/2 cups graham cracker crumbs (about 10 full sheets, finely crushed)
  • 6 tablespoons unsalted butter, melted
  • 1/4 cup granulated sugar
  • 1 (14 oz) can sweetened condensed milk
  • 1/2 cup freshly squeezed key lime juice (about 45 key limes)
  • 1 tablespoon lime zest
  • 1 cup heavy whipping cream, cold
  • 1 teaspoon vanilla extract (optional)

Instructions

  1. Crush the graham crackers finely using a food processor or place in a zip-top bag and crush with a rolling pin until you have about 1 1/2 cups of crumbs.
  2. In a medium bowl, mix the crumbs with melted butter and sugar until the mixture resembles wet sand.
  3. Press firmly and evenly into the bottom of a 9×9-inch pan. Use the back of a spoon or a flat-bottomed glass to compact it well.
  4. Chill the crust in the fridge while you make the filling.
  5. In a large mixing bowl, whisk together the sweetened condensed milk, key lime juice, and lime zest until smooth and slightly thickened.
  6. In a separate bowl, whip the cold heavy cream to soft peaks using an electric mixer, about 3-4 minutes.
  7. Gently fold the whipped cream into the condensed milk mixture in two additions, folding carefully to keep the mixture airy and fluffy.
  8. Add vanilla extract if using.
  9. Pour the filling over the chilled graham crust, spreading evenly with a spatula.
  10. Cover the pan tightly with plastic wrap and freeze for at least 4 hours or overnight until firm but creamy.
  11. Remove from the freezer about 10 minutes before slicing to let the bars soften slightly for easier cutting.
  12. Use a sharp knife warmed under hot water, then dried, to slice into 12 bars.
  13. Serve immediately or keep frozen until ready to enjoy.

Notes

Chill the mixing bowl and beaters before whipping cream for best results. Press crust firmly and chill before adding filling to prevent sogginess. Use fresh key lime juice and zest for best flavor. Warm knife before slicing for clean cuts. Bars should be removed from freezer 10 minutes before slicing to soften slightly.

Nutrition

Keywords: key lime pie bars, no bake dessert, frozen dessert, summer dessert, easy key lime bars, graham cracker crust