May 17, 2024

These irresistible Key Lime Pie Cheesecake Bars are a symphony of creamy and tart flavors, perfectly balanced with a touch of sweetness. They capture the essence of a classic Key Lime Pie in a convenient bar form, making them ideal for parties, potlucks, or simply satisfying your sweet tooth.

All About the Crust

  • Flavorful Base: We start with a buttery graham cracker crust made from finely ground crumbs, sugar, and melted butter. A touch of salt enhances the overall flavor profile.


  • Use a food processor for effortless grinding of the graham crackers.
  • Press the crust mixture firmly into the prepared pan to ensure a sturdy base for the filling.

The Luscious Filling

  • Creamy Dream: The star of the show is the smooth and luxurious filling. Softened cream cheese gets combined with vanilla bean skyr, a thick Icelandic yogurt, for a delightful tangy richness.
  • Key Lime Bliss: Freshly squeezed Key lime juice, when in season, delivers the signature tart and floral notes. Bottled Key lime juice works equally well as a substitute. If neither are available, a mixture of regular lime juice and lemon juice can be used.
  • Sweet and Tangy Balance: Sweetened condensed milk adds the perfect amount of sweetness, while a touch of cornstarch ensures the filling sets beautifully. Eggs are incorporated for richness and structure.


  • For a vibrant green filling, add some of the Key lime zest to the mixture.
  • Process the cream cheese until completely smooth before adding the skyr to prevent lumps.
  • Pulse the filling ingredients just until combined to avoid over-mixing.

Assembly and Finishing Touches

  • Bake to Perfection: The crust gets pre-baked until fragrant and golden brown. The filling is then baked at a lower temperature to achieve a set yet slightly jiggly consistency.
  • Chilling is Key: After baking, the bars require chilling for at least 4 hours, allowing the filling to firm up completely.
  • Cutting and Serving: Use the parchment paper overhang to lift the chilled bars from the pan. Cut them into neat squares and garnish with a sprinkle of lime zest and fresh lime slices for a delightful presentation.


  • For the Crust:
    • 1 1/2 cups graham cracker crumbs (from 13 sheets)
    • 1/4 cup sugar
    • 4 tablespoons unsalted butter, melted
    • 1/4 teaspoon salt
  • For the Filling:
    • 3 (8-ounce) packages reduced-fat cream cheese, softened
    • 2 (4.4-ounce) containers vanilla bean skyr (thick strained Icelandic yogurt)
    • 1 cup Key lime juice, plus zest and slices for garnish (optional)
    • 3/4 cup sweetened condensed milk (or sweetened condensed coconut milk)
    • 1 1/2 tablespoons cornstarch
    • 3 large eggs, at room temperature


  1. Preheat the oven to 350°F (175°C). Line a 9-by-13-inch metal baking pan with parchment paper, leaving a 1-inch overhang on 2 sides.
  2. Prepare the Crust: Process graham crackers in a food processor until finely ground, about 15 seconds. Transfer the crumbs to a medium bowl. Add sugar, butter, and salt; stir to coat until the mixture resembles wet sand. Transfer to the prepared baking pan; press evenly into the bottom of the pan. Bake until fragrant and golden brown, 10 to 12 minutes. Let cool while preparing the filling.
  3. Reduce the oven temperature to 300°F (150°C). Rinse and dry the food processor bowl.
  4. Make the Filling: Process cream cheese until smooth, about 30 seconds. Scrape down the sides of the bowl and add skyr; process until combined, about 20 seconds. Add Key lime juice, condensed milk, and cornstarch; pulse until just combined and smooth, about 30 pulses, stopping to scrape the sides of the bowl and stirring as needed. Add eggs, 1 at a time, pulsing between each addition until just combined.
  5. Assemble and Bake: Pour the filling into the cooled graham cracker crust. Bake until just set but still slightly jiggly, about 40 minutes. Let cool for 1 hour. Refrigerate, uncovered, for at least 4 hours or up to 12 hours.
  6. Serve and Enjoy: Remove the cheesecake from the pan using the parchment overhang as handles

Nutritional Information Breakdown (per bar):

  • Calories: 284
  • Fat: 17g
    • Saturated Fat: 11g
  • Cholesterol: 79mg
  • Carbohydrates: 25g
    • Total Sugars: 16g
      • Added Sugars: 14g
  • Protein: 7g
  • Fiber: 0g
  • Sodium: 295mg
  • Potassium: 47mg

Dietary Considerations:

These Key Lime Pie Cheesecake Bars can be adapted to suit various dietary needs:

  • Gluten-Free: Use certified gluten-free graham crackers for the crust.
  • Reduced Sugar: Opt for a sugar-free sweetened condensed milk alternative.
  • Dairy-Free: Use dairy-free cream cheese, coconut yogurt instead of skyr, and a dairy-free milk substitute in the crust.

Storage Tips:

These bars can be stored in an airtight container in the refrigerator for up to 5 days. They can also be frozen for up to 2 months. Thaw them overnight in the refrigerator before serving.

Serving Suggestions:

  • Drizzle with a dollop of whipped cream or coconut whipped cream for extra indulgence.
  • Pair them with a refreshing glass of iced tea or lemonade for a delightful afternoon treat.
  • Offer them as a showstopping dessert at your next gathering.

With their vibrant flavors, creamy texture, and convenient bar form, these Key Lime Pie Cheesecake Bars are sure to become a treasured recipe in your baking repertoire. So whip up a batch, savor the taste of sunshine, and enjoy!

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