Key Lime Pie Bars

Key Lime Pie Bars - One of everyone's favorite desserts in a bar form that have a graham cracker crust and a delicious cream cheese and lime filling!

With summer on its way, I thought it would be the perfect time to share these refreshing key lime pie bars. They’re everything you love about traditional key lime pie, with a delicious twist! Many of my posts here on Lil’ Luna are recipes for cheesecake, this one is no different. What can I say? I’m kind of obsessed! This time I went easy on the cream cheese and only added a little, just enough to thicken the bars a bit and give them a little more creaminess and tang. Oh my goodness, they are absolutely divine. If I could, I would eat these ALL summer long!

They’re super easy to make and only require 10 ingredients. Aside from the chilling, they take about 35 minutes to make, start to finish. Not too bad, right?! These delicious key lime pie bars need to go on your must-make list! They were a huge hit with my family, I know they’ll get rave reviews from yours too!

Key Lime Pie Bars - One of everyone's favorite desserts in a bar form that have a graham cracker crust and a delicious cream cheese and lime filling!

That filling is amazing!

Key Lime Pie Bars - One of everyone's favorite desserts in a bar form that have a graham cracker crust and a delicious cream cheese and lime filling!

Key Lime Pie Bars - One of everyone's favorite desserts in a bar form that have a graham cracker crust and a delicious cream cheese and lime filling!

This dessert really is the perfect treat to enjoy during the warm weather. The flavor of lime infused within the cheesecake/pie filling will hit the spot! We will definitely be bringing this to all of our summer events because we know it will be a hit. Be sure to give the recipe a try and let us know how it goes.

Key Lime Pie Bars:

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Key Lime Pie Bars Recipe

Key Lime Pie Bars
5 from 14 votes
One of everyone's favorite desserts in a bar form! These Key Lime Pie Bars have a graham cracker crust and a delicious cream cheese and lime filling!
Course Dessert
Cuisine American
Prep Time 5 minutes
Cook Time 25 minutes
Refrigerate 4 hours
Total Time 30 minutes
Servings 12
Calories 307 kcal
Author Lil' Luna



  • 15 sheets graham crackers (or 30 squares)
  • 2 tbsp granulated sugar
  • pinch salt
  • 6 tbsp unsalted butter melted


  • 6 oz cream cheese room temperature
  • 14 oz sweetened condensed milk
  • 4 egg yolks
  • 1 tbsp lime zest
  • 1/2 cup key lime juice or regular lime juice
  • 1/2 tsp vanilla extract


  • Preheat oven to 350 degrees. Line a 9x9-inch pan with aluminum foil or parchment paper, set aside.
  • In a food processor or in a large ziploc bag with a rolling pin, crush the graham crackers until fine crumbs form.
  • In a medium mixing bowl, combine the crumbs, sugar, salt and butter, mix to combine. Press the crumbs evenly into the bottom of the lined pan. Place in the oven and bake for 10 minutes.
  • Meanwhile, in a large mixing bowl with a hand mixer or the bowl of a stand mixer, beat the cream cheese until smooth and creamy. Add the condensed milk and mix until combined.
  • Then, add the egg yolks one at a time, mixing well after each addition followed by the lime zest, juice and vanilla extract, mix until combined.
  • Pour the filling over the hot, baked crust. Return to the oven and bake for 15-18 minutes or until set. The top should not brown. Remove from the oven and chill in the refrigerator for 2-4 hours before serving. I prefer dense, cold bars, so I generally give them the full 4 hours, however, the pictures taken above were shot after 2 hours.
  • Cut and serve, store in an airtight container in the refrigerator for up to 5 days.

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About the Author

Natalie Dicks

I'm the food photographer and blogger behind Life Made Simple. I'm passionate about creating from scratch family-friendly recipes ranging from healthy to decadent.

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    1. I haven’t personally tried, so I don’t want to say yes or no. I’m not sure why they wouldn’t be ok. You can freeze cheesecake & other desserts.

  1. 5 stars
    Alright, so I hate those recipe reviewers who don’t follow the recipe (like substituting healthier ingredients) and write bad reviews. But I did do a couple things differently.
    First, I don’t actually own a 9×9 pan, so I made this in an 8×8 pan and I didn’t have to adjust the cook time very much to get the same result (the crust cooked for the same amount of time, but I did leave the whole thing in there for 20 minutes after I poured in the filling).
    I only had 25 graham cracker squares and I can’t drive (I had already walked two miles just to get the condensed milk), so I figured with the smaller pan it wouldn’t make much difference. But I did have to use 8 tablespoons of butter just to get the crust close to the right consistency, and I would still add a couple more tablespoons next time to get the crust the way I usually like it.
    That, however, is my only complaint about the recipe. These Key Lime Pie Bars are delicious and a great snack or an end to any meal.

  2. 5 stars
    I made these tonight and they came out fabulous! I tried a different one before and it didnt work out very well.. but this one is perfect, that just right flavor, not to sweet not to tart. Will definitely keep in my recipe book, thank you so much for sharing.. hats off to the baker

  3. 5 stars
    This recipe is great!

    The only thing I changed was the crust because of necessity I ended up using vanilla cookies and honey teddy grahams. Processed about a cup of each. An 8 x 8 pan. Left out the vanilla in the mix because of the vanilla cookies.

    Everything else was the same. I knew it was going to be good when it called for that much lime juice and zest. Also enjoyed that it was half cream cheese half condensed milk. Came out tangy and creamy not overly sweet. It was great w a little lime wedge on top.

    Thanks for the recipe!

  4. 5 stars
    So easy and so tasty. Have made them 3 times, had to double recipe and they came out great. Especially good on a hot summer day, so refreshing. My family now requests these.

  5. 5 stars
    These came out amazing!! I’ve tried a number of key lime recipes over the years, but they were always too sweet or too tart or had the wrong crust to filling ratio. These were perfect! And so simple to make. I made them for a party and my husband and I ended up eating a few while I was cutting them and then decided to be greedy and save a few in the fridge for us for later. This will definitely be my go to recipe in the future. Thank you!!

  6. 5 stars
    Can anyone tell me if it’s condensed milk OR sweetened condensed milk? With all the comments that it was not too sweet, I’m assuming it’s regular, but I’ve usually used sweetened with a recipe like this.

  7. 5 stars
    I have been searching for the perfect key lime bar recipe and this is it!! ThE search is finally over ?. This tastes just like the key liMe pie from California Pizza Kitchen!

  8. Do you know if these bars would stack well? I would like to make these for a party, but I would need to be able to stack them in tupperware to get them there. Thanks!

    1. I haven’t tried stacking them, but they are soft on the top. The crumb bottom, might stick to the top.

  9. I can’t wait to make these! I am making for a larger crowd. Do you think I could double the recipe and bake this in a 9×13 pan? Any idea what the cook time would be like?

    1. I personally haven’t tried, but I am sure you could 🙂 Usually, when recipes are in a larger pan, the time is lessened, but since it is doubled, it may take longer. I would just check it at the normal time, then you can always add a couple min at a time.

  10. Do you roughly know how much crushed graham crackers comes out to? i want to use the precrushed stuff instead of crushing them myself.

  11. 5 stars
    I’ve made this several times and it is amazing. It would be helpful, however, if you would list SWEETENED condensed milk in the ingredients list. You have confirmed in the comments that this is the ingredient required but you have listed it as condensed milk in the recipe. I WOULD BET THAT SOME PEOPLE HAVE MADE IT INCORRECTLY BECAUSE OF THIS AND THIS IS THE REASON THAT SOME COMMENTERS DOUBT THAT IT WILL BE SWEET ENOUGH. CONDENSED MILK HAS NO SUGAR OR SWEETNESS ADDED.

  12. 5 stars
    YUMMY!?i’ve Looked at A lot of key liMe pie/bar recipes Then landed on this one & decided to give it a try…and i’m loving it! Love the crust & the filling was on target-i used reg. Limes and added (1) Lemon to offset Some of the sharp-tartness (keyliMes are milder) and i’m thrilled to say they turned out awesome! My husband complimented them (me) several times while eating/enjoying his first piece-can’t wait to share with family/friends! DEFINITELY will make again? Thanks for sHaring This “deliciousness” with so many! *i used a glass 7-in.x 11-in. Baking dish & bars were perfect thickness