These delicious Key Lime Pie Bars include a three-ingredient graham cracker crust with the easiest key lime pie filling. They’re easy to make, transport and serve at parties and potlucks.

Looking for more great ideas?  Don’t miss our Perfect Lemon Bars, Pecan Pie Bars, and Homemade Twix Bars.

Key lime pie bars with whipped cream on top and garnished with lime zest.

I adapted these Key Lime Pie Bars from my favorite Key Lime Pie recipe, and they are amazing! I love the idea of serving pie in “bar” form for parties. They’re easy for people to grab, they look beautiful, and taste even better!

How to make Key Lime Pie Bars:

  • For the crust, combine the graham cracker crumbs, sugar, and butter and press into an 8” square baking pan. Bake at 350 degrees F for 10 minutes. Allow to cool before adding filling.
  • Add cream cheese to a mixing bowl and beat well with electric beaters until smooth. Add both cans of sweetened condensed milk, lime juice, and lime zest and mix again until smooth.
  • Pour over prepared graham cracker crust and bake in preheated oven for 10 minutes. Allow to cool for about 30 minutes, then refrigerate for at least 3 hours, before serving.
  • Cut into squares and top with fresh whipped cream, if desired.

Three process photos for making key lime pie filling, a graham cracker crust, and adding it to a square baking sheet for key lime pie bars.

Make Ahead and Freezing Instructions:

To make ahead, prepare and bake the pie up to 3 days in advance, stored in the refrigerator. The filling and crust can both be prepared separately, in advance, and then assembled and baked when ready.

Baked Key Lime Pie can be frozen for up to 3 months. Thaw overnight in the refrigerator before serving.

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Recipe

Key lime pie bars with whipped cream on top and garnished with lime zest.
Prep 1 hour 15 minutes
Cook 15 minutes
Total 1 hour 30 minutes
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Ingredients
  

For the crust

  • 1 1/2 cups graham cracker crumbs (about 12 full sheets, crushed)
  • 1/3 cup granulated sugar
  • 6 Tablespoons butter , melted

Key lime filling:

  • 2 14 ounce cans sweetened condensed milk
  • 4 ounces cream cheese , softened
  • 3/4 cup key lime juice*
  • zest of 2 regular limes , or 4 key limes
  • fresh whipped cream , for topping, optional

Instructions
 

  • For the crust, combine the graham cracker crumbs, sugar, and butter and press into an 8'' square baking pan. 
    Homemade graham cracker crust pressed into a square baking pan.
  • Bake at 350 degrees F for 10 minutes. Allow to cool before adding filling.
  • Add cream cheese to a mixing bowl and beat well with electric beaters until smooth. Add both cans of sweetened condensed milk, lime juice, and lime zest and mix again until smooth. 
    Key lime pie filling mixed together in a bowl.
  • Pour over prepared graham cracker crust and bake in preheated oven for 10 minutes. Allow to cool for about 30 minutes, then refrigerate for at least 3 hours, before serving.
    Key lime pie bars ready to bake.
  • Top with fresh whipped cream, if desired.

Notes

Lime Juice: There are 2 ways you can get key lime juice for this recipe. Juice about 20 of your own small key limes, OR I always use Nellie and Joe's Key Lime Juice (available at most grocery stores) in the bottle.
Make Ahead Instructions: prepare and bake the pie up to 3 days in advance, stored in the refrigerator. The filling and crust can both be prepared separately, in advance, and then assembled and baked when ready. 
Freezing Instructions: Baked Key Lime Pie can be frozen for up to 3 months. Thaw overnight in the refrigerator before serving. 

Nutrition

Calories: 242kcalCarbohydrates: 33gProtein: 4gFat: 10gSaturated Fat: 6gCholesterol: 59mgSodium: 166mgPotassium: 164mgSugar: 26gVitamin A: 325IUVitamin C: 3.9mgCalcium: 115mgIron: 0.6mg

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I originally shared this recipe June 2015. Updated November 2020.

Key Lime Pie Bars from TastesBetterFromScratch.com

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About The Author

Lauren Allen

Welcome! I’m Lauren, a mom of four and lover of good food. Here you’ll find easy recipes and weeknight meal ideas made with real ingredients, with step-by-step photos and videos.

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Comments

  1. 5 stars
    I received so many compliments on these bars. I doubled the crust recipe and put it in a 9×13 dish. Also, I used 8 oz of cream cheese and close to a cup of key lime juice. I cut the bars into squares and served with a squirt of whipped cream and a small twist of lime as garnish. I will definitely make this again!

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