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Home » Gluten Free Baking Recipes

The Best Gluten Free Key Lime Bars You'll Ever Taste

Jun 16, 2025 by Thriving Gluten Free · This post may contain affiliate links · 2 Comments

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Welcome summer with this delicious tart and tangy treat! These Gluten Free Key Lime Bars pack all the tangy punch of a classic key lime bar without a trace of gluten. Perfect for summer picnics, dinner parties with the family, or whenever you need a citrusy pick-me-up, this easy recipe will have everyone wondering how you made something so irrestible. Lets dive into the details of this treat, so you can whip them up in no time!

gluten free key lime bars recipe

Why These Are the Best Gluten Free Key Lime Bars

You don't need fancy equipment or hard-to-find ingredients; for this Key lime bars recipe, you can keep it nice and simple. But the taste of these bars is the farthest thing from simple. This gluten free graham-style crust boasts a rich, buttery flavor and a crisp texture. Even novice bakers will nail the perfect set of key lime pie bars on their first go. Keep reading below to learn exactly what you'll need to make your new favorite summer treat!

Ingredients List!

Graham Cracker Crust:

1 Package Gluten Free Graham Crackers (I used Schar Honey Grahams)

Butter

Granulated Sugar

Key Lime Filling:

Lime Juice

Sweetened Condensed Milk, can use condensed coconut for dairy free.

Cream Cheese, can use dairy free cream cheese.

Zest of Two Limes

OPTIONAL: Whipped Cream for the top!

gluten free key lime pie recipe

Steps on How to Make This Recipe for Key Lime Bars

Now that we have all that we need, it's time to get to baking! While the prep time is very quick, keep in mind I recommend leaving 4 hours aside to cool your key lime filling.

With that being said, let's start by preheating the oven to 350 degrees. For the graham cracker crust using a food processer, pulse the graham cracker until you have crumbs. No worries if you do not have a food processer, crumbling up the graham crackers can be done by hand or with a mallet. Once you have your crumbs combine your sugar and melted butter, then spread the crust at the bottom of an 8 x 8 pan. Bake for 10 minutes or until golden brown!

While the crust cools off, start making you key lime filling. All you need to start with is a bowl! Add cream cheese to your mixing bowl and beat it until smooth. Next pour in both cans of sweetned condensed milk, the lime juice and lime zest. Once again mix until smooth then pour the mixture over your cooled graham cracker crust.

Finally, bake for another 10 minutes and let pan cool in the fridge for 4 hours before serving. This ensures your key lime bars will stay in their shape and have a cool and refreshing taste perfect for summer!

And Just Like That...

You have made your very own Gluten Free Key Lime Bars! I hope you and whoever you share this delicious treat with enjoys and come back for more tasty and easy gluten free dessert recipes.

If you've tried this recipe, please leave a comment below and tag me on Instagram @thrivingglutenfree with pictures of your creation! Below is where you can find the entire recipe. I hope you enjoy, and come back soon for more easy and delicious gluten-free recipes to try!

Let's Bake!

easy gluten free key lime bars recipe
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Gluten Free Key Lime Bars

These Gluten Free Key Lime Bars start with a graham cracker crust then are topped with a simple sweet and tangy key lime filling.

Ingredients

Graham Cracker Crust

  • 1 package Gluten Free Graham Crackers I used one package of Schar Honey Grahams
  • 6 tablespoon Butter melted
  • 4 tablespoon Granulated Sugar

Key Lime Filling

  • ¾ cup Lime Juice
  • 2 cans Sweetened Condensed Milk can use condensed coconut
  • 4 oz Cream cheese softened
  • Zest of two limes

Optional

  • Whipped cream for topping

Instructions

Graham Cracker Crust

  • Preheat oven to 350°.
  • Using a food processor, pulse the graham crackers until you have crumbs. Then combine with the sugar and melted butter and press into an 8x8 baking pan.
  • Bake for 10 minutes until crust is golden. Allow to cool before filling.

Key Lime Filling

  • Add cream cheese to a mixing bowl and beat well until smooth.
  • Pour in both cans of sweetened condensed milk, lime juice, and lime zest. Mix until smooth and well combined.
  • Pour the filling over the graham cracker crust and bake for 10 minutes. After baking, allow to cool then refrigerate for at least 4 hours before serving.
Tried this recipe?Mention @thrivingglutenfree or #thrivingglutenfree!

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Comments

  1. Natalia Pinska says

    October 28, 2025 at 7:30 pm

    Hi are you able to put exact measurements for every ingredient because it isn’t clearly listed. Eg. ( how many ml of condensed milk? ) thanks!

    Reply
    • Thriving Gluten Free says

      November 02, 2025 at 10:46 am

      Hey Natalia, all of the ingredient amounts are listed in the recipe box. The can of condensed milk should be 14oz each. Hope this helps, and reach out if you need anything else.

      Reply

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thriving gluten free recipes for those with celiac disease and gluten intolerance

Hi, I'm Debby! The recipe creator, mom and blogger behind Thriving Gluten Free. Our oldest daughter was diagnosed with Celiac Disease in 2011, so we've been navigating gluten-free living ever since. I love to share our favorite recipes, products and tips to help make your gluten-free life easy, healthy and delicious!

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