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Key Lime Bars

  • Author: Myles
  • Prep Time: 30 minutes
  • Cook Time: 35 minutes
  • Total Time: 1 hour 5 minutes + cooling/chilling time
  • Yield: 16 1x


These Key Lime Bars taste like the traditional Key Lime Pie. They are deliciously sweet and tart. Nobody could resist the luscious graham cracker crust, key lime filling, and sweetened whipped cream topping, that’s for sure!




1 c. graham cracker crumbs (about 8 crackers, finely crushed)

1/4 c. brown sugar

2 tbsp. unsalted butter (melted)


1 3/4 c. sweetened condensed milk

6 egg yolks

1 c. key lime juice

1 tbsp. fresh lime zest


1 c. heavy cream

1 tbsp. granulated sugar

1 tsp. vanilla

Optional: (for garnish)

Lime zest


  1. Preheat the oven to 300 degrees Fahrenheit and then line a square baking pan (8X8X2) with foil.
  2. Combine graham cracker crumbs with brown sugar and butter in a small bowl. Stir until a sandy mixture forms.
  3. Press the mixture into the bottom of the prepared baking pan.
  4. Bake for about 12 to 15 minutes or until the crust is golden brown. Set aside and let cool completely.
  5. Whisk together sweetened condensed milk, lime juice, egg yolks, and 1 tbsp. lime zest in a medium bowl. Combine well.
  6. Carefully and evenly pour on the cooled crust.
  7. Bake filling at 300 degrees Fahrenheit for about 30 to 40 minutes.
  8. Put the pan on a cooling rack and let cool for about 2 hours.
  9. To make the topping, beat heavy cream, sugar, and vanilla in a medium bowl with an electric hand mixer on medium-high speed. Beat until stiff peaks form.
  10. Spread topping evenly over cooled bars. Garnish with lime zest if desired.
  11. Leave in the fridge for at least 2 hours before slicing and serving.


  • After baking, the filling should still be slightly jiggly, and the center is just set.
  • Use foil so that it will be easier for you to remove the bars from the pan.
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